A strong food thermos for kids should hold a practical lunch portion, travel securely, and be manageable for a child to open and eat from. The THERMOS FUNTAINER Food Jar leads this roundup with a compact 10-ounce capacity, a push-button lid, and an integrated foldable spoon. Other options span 10 to 18 ounces, with features such as buckle-style lids, leak-resistant seals, and claims of keeping food hot for up to 12 hours.
Capacity and opening style matter as much as insulation: a jar that is too large may be awkward for a younger child, while a smaller one may not suit a full meal. Compare the listed specifications and care instructions before choosing.
The THERMOS FUNTAINER Food Jar is the best overall choice because its 10-ounce size is aimed at kids, its push-button lid is designed for easy opening, and its integrated foldable spoon keeps an eating utensil with the jar. THERMOS lists hot retention up to 5 hours and cold retention up to 7 hours, plus a limited five-year manufacturer warranty and top-rack dishwasher-safe care. Choose a larger option if your child needs more than 10 ounces; the FUNTAINER’s compact capacity is its main trade-off.
Our Top Picks
Best OverallIts kid-focused 10-ounce size, push-button lid, and integrated foldable spoon make lunch straightforward; listed retention is up to 5 hours hot and 7 cold.
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Easy-Open Buckle LidThe 12-ounce jar pairs a child-friendly buckle lid with a silicone gasket and a stated leakproof design, suiting kids who need a secure, easy-open container.
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Longest Hot-Time ClaimIts 14-ounce capacity, 316 stainless steel, and full-rim gasket fit school use; the listing claims 8 hours hot and 12 hours cold.
View on Amazon- Larger Kid Portion eedabros 15.2oz Food Jar
- Highest Capacity Hydrapeak 18oz Food Jar
Compare kid-friendly food thermoses
| # | Product | Capacity | Material | Care Instructions | Buy |
|---|---|---|---|---|---|
| 1 | 1. THERMOS FUNTAINER Food JarBest Overall | 10 oz | Stainless Steel | Dishwasher Safe | View on Amazon |
| 2 | 2. Pawtong 12oz Buckle JarEasy-Open Buckle Lid | 12 oz | Stainless Steel | Hand Wash Only | View on Amazon |
| 3 | 3. Waysaw 14oz JarLongest Hot-Time Claim | 14 oz | 316 stainless steel | Hand Wash Only | View on Amazon |
| 4 | 4. Howeemo 10oz Soup JarGame-themed leak-resistant lunches | 10 oz | Stainless Steel | Hand Wash Only | View on Amazon |
| 5 | 5. eedabros 15.2oz Food JarLarger Kid Portion | 15.2 oz | 316 Stainless Steel, Polypropylene, Silicone | Dishwasher Safe, Hand Wash Only | View on Amazon |
| 6 | 6. CJACJA 15.2oz Food JarFolding-spoon outing lunches | 15.2 oz | — | — | View on Amazon |
| 7 | 7. BOSEDSANG 13.5oz JarEasy-opening buckle-lid lunches | 13.5 oz | Stainless Steel | Hand Wash Only | View on Amazon |
| 8 | 8. Pawtong 10oz Pink JarCompact small-portion school lunches | 10 oz | Stainless Steel | Hand Wash Only | View on Amazon |
| 9 | 9. Hydrapeak 18oz Food JarHighest Capacity | 18 fluid oz | Stainless Steel | Hand Wash Only | View on Amazon |
| 10 | 10. MAXSO 17oz Soup ThermoLong-retention larger lunch portions | 17 fluid oz | Stainless Steel | Dishwasher Safe | View on Amazon |
Detailed Reviews: Best Food Thermoses For Kids

#1 · Best Overall
1. THERMOS FUNTAINER Food Jar
- Capacity: 10 oz
- Material: Stainless Steel
- Care Instructions: Dishwasher Safe
Best for: Dishwasher-friendly elementary lunches.
Why it ranks #1: Its kid-focused 10-ounce size, push-button lid, and integrated foldable spoon make lunch straightforward; listed retention is up to 5 hours hot and 7 cold.
A foldable spoon stored in the lid gives the THERMOS FUNTAINER a ready-to-eat advantage for school lunches: kids can carry the utensil with their 10-ounce soup or snack. Vacuum insulation keeps contents hot for up to five hours or cold for up to seven, while its lightweight, compact design is intended for kids.
The integrated foldable spoon stays with the jar in its lid, simplifying packing when a separate utensil is easy to forget. A push-button lid is described as easy for kids to carry and open, helping make lunch access more straightforward. The 10-ounce capacity fits a smaller meal or snack, and vacuum insulation supports hot food for up to five hours and cold food for up to seven. Top-rack dishwasher-safe care can simplify cleanup after school.
- Integrated foldable spoon in the lid
- Push-button lid is intended for easy opening
- Keeps food hot up to 5 hours or cold up to 7
- Top-rack dishwasher safe
- Its listed hot-food retention is up to five hours, shorter than some longer-retention options.
Skip it if you need hot food kept warm beyond five hours; the MAXSO 17-ounce jar lists 12 hours hot retention.
This is a practical pick for elementary-school lunches and snacks when an attached spoon and top-rack dishwasher care matter. Its 10-ounce capacity and five-hour hot-retention limit are worth weighing for larger portions or later lunches.
Full product details
| Brand | THERMOS |
|---|---|
| Capacity | 10 ounces |
| Color | Pink |
| Included Components | food jar with unfolding spoon |
| Dimensions | 3.7"D x 3.5"W x 5.3"H |
| Item Form | Round |
| Item Weight | 4 ounces |
| Manufacturer | Thermos |
| Manufacturer Warranty Description | limited 5 year manufacturer |
| Material | Stainless Steel |
| Care Instructions | Dishwasher Safe |
| Recommended Uses | School |
| Special Feature | Vacuum Insulated |
| Style Name | Food Jar |
| Additional Information | Important Information Proposition 65 Warning for California Consumers WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov |
Listed on Amazon as: THERMOS FUNTAINER Kids Food Jar with Spoon, 10oz, Pink
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#2 · Easy-Open Buckle Lid
2. Pawtong 12oz Buckle Jar
- Capacity: 12 oz
- Material: Stainless Steel
- Care Instructions: Hand Wash Only
Best for: Spill-conscious backpack lunches.
Why it ranks #2: The 12-ounce jar pairs a child-friendly buckle lid with a silicone gasket and a stated leakproof design, suiting kids who need a secure, easy-open container.
A thick silicone gasket and fully sealed construction make the Pawtong 12-ounce jar a spill-conscious choice for carrying soup or noodles in a backpack. Its buckle lid opens by lifting the handle to 90 degrees, giving children a simple stated opening motion, while the wide mouth supports easier cleaning.
The 12-ounce capacity offers a little more room than a small 10-ounce jar while remaining aimed at kids’ meals. Pawtong’s thick silicone gasket and airtight, leak-resistant listing address bag transport, and the buckle structure opens with a 90-degree handle lift. The wide mouth is specifically described as easy to clean, which helps with foods such as soup and noodles. The listing specifies hand washing, so the accessible opening does not eliminate the need for manual cleanup.
- 12-ounce capacity for soup or noodles
- Thick silicone gasket and leak-resistant construction
- Buckle lid opens with a 90-degree handle lift
- Wide mouth is described as easy to clean
- Hand-wash-only care means cleanup is not dishwasher-based.
Skip it if you need dishwasher-safe cleanup; the THERMOS FUNTAINER lists top-rack dishwasher-safe care.
Choose this Pawtong for a backpack-bound soup or noodle lunch where a sealed gasket and child-oriented buckle opening matter. Its 12-ounce capacity and hand-wash-only care are the practical limits to consider.
Full product details
| Brand | Pawtong |
|---|---|
| Capacity | 12 ounces |
| Color | Blue-Dinosaur |
| Container Shape | Round |
| Airtightness | Airtight |
| Included Components | No |
| Dimensions | 3"L x 2"W x 2"H |
| Item Form | Single-compartment container |
| Item Volume | 350 ml |
| Manufacturer | Pawtong |
| Material | Stainless Steel |
| Material Feature | Food Grade |
| Material Features | Food Grade |
| Free From | BPA Free |
| Special Features | Insulated, Leak Resistant |
| Care Instructions | Hand Wash Only |
| Recommended Uses | Noodles, Soup |
| Size | 12OZ |
Listed on Amazon as: Pawtong 12oz Insulated Vacuum Food Jar with Buckle Lid Wide Mouth Soup Thermo for Hot Food Kids Leakproof Stainless Steel Lunch Container (Blue-Dinosaur)
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#3 · Longest Hot-Time Claim
3. Waysaw 14oz Jar
- Capacity: 14 oz
- Material: 316 stainless steel
- Care Instructions: Hand Wash Only
Best for: Sealed lunches for long school days.
Why it ranks #3: Its 14-ounce capacity, 316 stainless steel, and full-rim gasket fit school use; the listing claims 8 hours hot and 12 hours cold.
A full-rim rubber gasket provides the Waysaw jar’s specific 360-degree leak-protection approach, helping contain a 14-ounce meal in a backpack or lunch bag. Its listed retention reaches eight hours hot and 12 hours cold, while the 316 stainless-steel construction and wide opening suit everyday food packing.
The 14-ounce capacity offers room for a substantial child’s lunch, and the full-rim gasket is described as sealing all around the lid to help prevent spills during transport. Waysaw lists eight-hour hot and 12-hour cold retention, supporting meals packed in the morning. A wide opening can make access and filling more straightforward, while the non-slip base and carrying handle add handling details. Care instructions specify hand washing, so cleanup is manual.
- 14-ounce capacity for a substantial lunch
- Full-rim gasket provides listed 360-degree leak protection
- Keeps food hot 8 hours or cold 12 hours
- 316 stainless steel and wide opening
- Hand-wash-only care requires manual cleanup.
Skip it if you need dishwasher-safe cleanup; the THERMOS FUNTAINER lists top-rack dishwasher-safe care.
The Waysaw suits children carrying a fuller lunch through a long school day, particularly when leak protection matters. Its 14-ounce size, hand-wash-only care, and jar dimensions should fit the child’s bag and routine.
Full product details
| Brand | Waysaw |
|---|---|
| Capacity | 14 ounces |
| Color | Pink |
| Included Components | food thermo |
| Dimensions | 4.2"L x 4.2"W x 3.6"H |
| Item Form | Jar |
| Manufacturer | Waysaw |
| Material | 316 stainless steel |
| Free From | BPA Free |
| Care Instructions | Hand Wash Only |
| Recommended Uses | Camping, Hiking, Office, School, Travel |
| Special Feature | Insulated, Leak Resistant, Non-Slip Base, Stain Resistant, Wide Opening |
Listed on Amazon as: 14 oz Kids Thermo for Hot Food, Leakproof Insulated Vacuum Jar/Pink
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#4
4. Howeemo 10oz Soup Jar
- Capacity: 10 oz
- Material: Stainless Steel
- Care Instructions: Hand Wash Only
Best for: Game-themed leak-resistant lunches.
Why it ranks #4: This kid-oriented 10-ounce jar includes a spoon and lists a leak-resistant feature, with claimed hot retention of 6 hours and cold retention of 8 hours.
A leak-resistant feature paired with a 10-ounce size makes the Howeemo a focused option for carrying a child’s soup portion in a school bag. Its double-layer stainless-steel construction, copper-coated insulation, and seamless soldering are specified to keep food warm for six hours or cold for eight.
The 10-ounce capacity keeps the jar oriented toward a smaller serving, while the wide-mouth design supports access to food inside. Howeemo lists double-layer stainless steel, copper-coated insulation, and seamless soldering as part of a construction that retains warmth for six hours and cold for eight. Preheating or pre-cooling with hot or ice water for five to eight minutes is recommended to extend warmth. The included spoon adds an eating utensil, though cleanup is hand wash only.
- 10-ounce capacity for a child-size serving
- Listed hot retention of 6 hours and cold retention of 8
- Leak-resistant feature
- Includes a spoon
- Hand-wash-only care requires manual cleanup after use.
Skip it if you need dishwasher-safe cleanup; the THERMOS FUNTAINER lists top-rack dishwasher-safe care.
This Howeemo suits a child who likes the game-console style and carries a modest soup serving to school. Account for hand washing and the recommended preheating or pre-cooling step when planning the lunch routine.
Full product details
| Brand | Howeemo |
|---|---|
| Capacity | 10 ounces |
| Color | Black-Game Console |
| Included Components | Spoon |
| Dimensions | 3.5"L x 3.5"W x 3.5"H |
| Item Form | Cylindrical Jar |
| Item Weight | 8.64 ounces |
| Manufacturer | Howeemo |
| Material | Stainless Steel |
| Care Instructions | Hand Wash Only |
| Recommended Uses | Soup |
| Special Feature | Leak Resistant |

#5 · Larger Kid Portion
5. eedabros 15.2oz Food Jar
- Capacity: 15.2 oz
- Material: 316 Stainless Steel, Polypropylene, Silicone
- Care Instructions: Dishwasher Safe, Hand Wash Only
Best for: Larger portions for kids and adults.
Why it ranks #5: The 15.2-ounce capacity serves older kids or lighter adult meals, while the listing claims 6 hours hot and 8 hours cold and includes a folding spoon.
The 15.2-ounce capacity gives this eedabros jar room for a fuller school-age lunch while also accommodating an adult’s lighter meal. Its folding spoon and stated six-hour hot, eight-hour cold insulation support eating away from home, and the 316 stainless-steel construction distinguishes it from simpler smaller jars.
A 15.2-ounce serving size can handle listed foods such as soup, pasta, rice, oatmeal, yogurt, or fruit, making it useful beyond a single lunch staple. The folding spoon supports eating on the go without needing a separately packed utensil. Double-wall vacuum insulation is specified for six hours hot and eight hours cold; preheating or pre-chilling with water for three minutes is recommended before filling. Dishwasher-safe and hand-wash care are both listed, so check the product’s care guidance.
- 15.2-ounce capacity suits kids and lighter adult meals
- Folding spoon is included
- Listed to keep food hot 6 hours and cold 8 hours
- 316 stainless-steel material
- The listing gives both dishwasher-safe and hand-wash care instructions, so cleaning guidance is not unambiguous.
Skip it if you want a clearly specified dishwasher routine; the THERMOS FUNTAINER explicitly lists top-rack dishwasher-safe care.
Pick this for an older child’s more substantial lunch or an adult’s portion-controlled meal, especially when a folding spoon is useful. Its 15.2-ounce size and mixed cleaning instructions are the main fit considerations.
Full product details
| Brand | eedabros |
|---|---|
| Capacity | 15.2 ounces |
| Color | Pink |
| Included Components | Food Carrier, Food Service |
| Dimensions | 3.5"L x 3.5"W x 3.5"H |
| Item Form | Jar |
| Manufacturer | eedabros |
| Material | 316 Stainless Steel, Polypropylene, Silicone |
| Free From | BPA Free, Lead Free, Nitrosamine Free, PVC Free, Petroleum Free |
| Care Instructions | Dishwasher Safe, Hand Wash Only |
| Recommended Uses | Baby Food, Coffee, Ice Cream, Soup |
| Special Feature | Insulated, Non-Slip Base, Sturdy |
| Style Name | Modern |
Listed on Amazon as: 15.2 oz Kids Thermo Food Jar for Hot Food & Soup, Folding Spoon, Pink
View on AmazonWhy it ranks #6: A 15.2-ounce capacity gives older kids a larger portion, and the listing specifies a 316 stainless steel interior and an included folding spoon.
A 15.2-ounce capacity paired with an included stainless-steel folding spoon gives the CJACJA room for a substantial kid’s lunch and an eating utensil in one package. Its listing positions the jar for school, picnics, and travel, with a 316 stainless-steel interior and BPA-free parts specified.
The 15.2-ounce capacity accommodates listed foods including rice, pasta, soup, yogurt, and fruit, making the jar useful for varied lunches and outings. The included stainless-steel folding spoon supports eating without packing a separate utensil. Double-wall vacuum insulation is identified as a feature, and the 316 stainless-steel interior with BPA-free parts provides specific material information. The product is described as portable and leak-resistant, while the available details do not specify temperature-retention durations or care instructions.
- 15.2-ounce capacity for kids and older eaters
- Stainless-steel folding spoon included
- 316 stainless-steel interior and BPA-free parts
- Listed for school, picnics, and travel
- The supplied product details do not state hot- or cold-retention durations.
Skip it if you need stated temperature-retention hours; the Waysaw 14-ounce jar lists 8 hours hot and 12 hours cold.
This CJACJA fits older kids or adults taking varied foods to school, picnics, or travel, with a folding spoon ready to use. Consider that the supplied listing does not give retention-hour figures or care instructions.
Full product details
| Brand | CJACJA |
|---|---|
| Capacity | 15.2 ounces |
| Color | Blue |
| Included Components | Stainless steel folding spoon |
| Dimensions | 4.72"D x 3.9"W x 4.72"H |
| Item Form | Round, Single-Compartment |
| Item Weight | 0.38 kg |
| Manufacturer | CJACJA |
| Recommended Uses | Picnic, School, Travel |
| Special Feature | Insulated, Portable |
Listed on Amazon as: Thermo for Hot Food Kids – 15.2oz with Folding Spoon and Silicone handle
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#7
7. BOSEDSANG 13.5oz Jar
- Capacity: 13.5 oz
- Material: Stainless Steel
- Care Instructions: Hand Wash Only
Best for: Easy-opening buckle-lid lunches.
Why it ranks #7: Its 13.5-ounce size offers more room than a 10-ounce jar, and the press-seal buckle lid is described as easy for children to open.
A buckle-style press-seal lid opens by pulling its handle to 90 degrees, giving this BOSEDSANG jar a child-oriented opening method for a 13.5-ounce meal. The vacuum-sealed 18/8 stainless-steel interior is specified to keep food warm or cool for more than five hours, balancing its larger-than-small-jar capacity with portability.
The handle’s 90-degree pull-up opening action is the defining convenience for children who need to open their own lunch container. At 13.5 ounces, it offers more room than a 10-ounce jar for soup or another packed meal. The 18/8 stainless-steel interior and vacuum seal are listed to keep food warm or cool for 5+ hours. The compact, lightweight description supports carrying it for home, work, or a picnic, while hand-wash-only care means cleanup takes manual attention.
- 13.5-ounce capacity
- Buckle lid opens by pulling the handle to 90 degrees
- 18/8 stainless-steel interior with vacuum seal
- Listed to keep food warm or cool for 5+ hours
- Hand-wash-only care rules out dishwasher cleanup.
Skip it if you need a dishwasher-safe jar; the THERMOS FUNTAINER is listed as top-rack dishwasher safe.
This BOSEDSANG suits children who benefit from the pull-up buckle opening and need a 13.5-ounce portion for school or outings. Consider the manual washing requirement when choosing a container for frequent weekday use.
Full product details
| Brand | BOSEDSANG |
|---|---|
| Capacity | 13.5 ounces |
| Color | Pink |
| Included Components | lid |
| Dimensions | 2"L x 2"W x 2"H |
| Item Form | Cylindrical Single-Compartment Container |
| Manufacturer | bosedsang |
| Material | Stainless Steel |
| Care Instructions | Hand Wash Only |
| Recommended Uses | Office, Picnic, Travel |
| Special Feature | Thermal Insulated |
Listed on Amazon as: BOSEDSANG 13.5oz Soup Thermo for Hot Food Kids with Buckle Lid Insulated Vacuum Food Jar Wide Mouth Leakproof Stainless Steel Lunch Container- Pink
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#8
8. Pawtong 10oz Pink Jar
- Capacity: 10 oz
- Material: Stainless Steel
- Care Instructions: Hand Wash Only
Best for: Compact small-portion school lunches.
Why it ranks #8: The 10-ounce size suits a smaller school lunch, with a 304 stainless steel interior and a claim of keeping meals warm or cool for 5-plus hours.
A 10-ounce capacity keeps this Pawtong jar focused on smaller servings, giving kids a compact way to carry soup, pasta, chili, or a cold snack. Its vacuum-insulated 18/8 stainless-steel interior is specified to keep meals warm or cool for more than five hours, making it suited to a school lunch routine.
The 10-ounce size is a practical match for a child-size portion, while the wide-mouth format makes filling and eating from the jar more direct. Vacuum insulation and an 18/8 stainless-steel interior support carrying hot or cold foods, with the listing specifying more than five hours of temperature retention. A spoon is included, so there is an eating utensil with the jar. Care instructions say hand wash only, a maintenance step to account for after lunch.
- 10-ounce capacity suits smaller lunch portions
- 18/8 stainless-steel interior with vacuum insulation
- Listed to keep food warm or cool for 5+ hours
- Includes a spoon for mealtime
- Hand-wash-only care means it cannot go in the dishwasher.
Skip it if you need a dishwasher-safe jar; the THERMOS FUNTAINER is listed as top-rack dishwasher safe.
Choose this Pawtong for a child-size serving of soup, pasta, or another hot or cold lunch item. Its 10-ounce capacity is the key fit consideration, and hand-wash-only care may not suit every school-night routine.
Full product details
| Brand | Pawtong |
|---|---|
| Capacity | 10 ounces |
| Color | Pink-Cute Horse |
| Included Components | Case |
| Dimensions | 5"L x 4"W x 3"H |
| Item Form | round |
| Item Weight | 9.6 ounces |
| Manufacturer | Pawtong |
| Material | Stainless Steel |
| Free From | Plastic Free |
| Care Instructions | Hand Wash Only |
| Recommended Uses | For Hot Food,Hot Food |
| Special Feature | Dishwasher Safe, bpa free, food grade |
| Style Name | Thermal |
Listed on Amazon as: 10oz Soup Thermo for Hot Food Kids Insulated Food Jar,Thermo Hot Food Lunch Container, Width Mouth Stainless Steel Lunch Box for Kids with Spoon (Pink-Cute Horse)
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#9 · Highest Capacity
9. Hydrapeak 18oz Food Jar
- Capacity: 18 fluid oz
- Material: Stainless Steel
- Care Instructions: Hand Wash Only
Best for: Roomier all-day food portions.
Why it ranks #9: Its 18-ounce capacity offers the most room in this set, and the listing claims 10 hours hot and 16 cold, though the larger format may not suit younger kids.
An 18-ounce capacity gives the Hydrapeak more room for a larger hot or cold meal, with double-wall vacuum insulation listed for 10 hours hot and 16 hours cold. Its wide-mouth, airtight format supports packing food for school or travel, while the 18/8 stainless-steel construction supplies a specific material detail.
The 18-ounce capacity is suited to a child with a bigger appetite or an adult sharing the same food jar, rather than a small snack portion. Hydrapeak’s double-wall vacuum insulation is specified for 10 hours hot and 16 hours cold, supporting longer intervals between packing and eating. The wide mouth offers access to the contents, and the airtight listing addresses containment during transport. The 18/8 stainless-steel body is paired with BPA-free materials; care is hand wash only.
- 18-ounce capacity for larger meals
- Listed hot retention of 10 hours and cold retention of 16 hours
- 18/8 stainless-steel construction
- Wide-mouth and airtight features
- Hand-wash-only care means it cannot be cleaned in a dishwasher.
Skip it if you need dishwasher-safe care; the THERMOS FUNTAINER lists top-rack dishwasher-safe cleanup.
Pick the Hydrapeak for an older child or adult who needs an 18-ounce portion and the listed 10-hour hot or 16-hour cold retention. Its larger capacity and hand-wash-only care are the main routine considerations.
Full product details
| Brand | Hydrapeak |
|---|---|
| Capacity | 18 fluid ounces |
| Color | Navy |
| Container Shape | Round |
| Airtightness | Airtight |
| Included Components | Food Jar |
| Dimensions | 4"L x 4"W x 4.08"H |
| Item Volume | 18 fluid ounces |
| Item Weight | 10.56 ounces |
| Manufacturer | Hydrapeak |
| Material | Stainless Steel |
| Material Feature | Food Grade |
| Material Features | Food Grade |
| Free From | BPA Free |
| Special Features | Vacuum Insulated |
| Care Instructions | Hand Wash Only |
| Recommended Uses | For Hot Food |
| Size | 18 Ounces |
Listed on Amazon as: Hydrapeak 18oz Stainless Steel Vacuum Insulated Food Jar Kids for Hot and Cold Food, Wide Mouth Leak-Proof Soup Adults, 10 Hours 16 (Navy) (HP-Foodie18)
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#10
10. MAXSO 17oz Soup Thermo
- Capacity: 17 fluid oz
- Material: Stainless Steel
- Care Instructions: Dishwasher Safe
Best for: Long-retention larger lunch portions.
Why it ranks #10: The 17-ounce jar includes a built-in foldable spoon and claims 12 hours hot and 24 cold, but its larger adult-and-kid format is less tailored to children.
A 17-ounce capacity and stated 12-hour hot, 24-hour cold retention make the MAXSO a fit for larger portions or meals packed well ahead. Its built-in foldable spoon and screw-off lid that doubles as a soup bowl give the jar a self-contained eating setup for school, office, or travel.
The larger 17-ounce capacity accommodates more than a small child-size serving, while the spoon stored in the inner lid keeps an utensil on hand. The screw-off lid doubles as a soup bowl, offering a separate surface for eating rather than requiring the jar itself. MAXSO lists double-wall stainless steel, copper-coated insulation, and seamless welding, with hot retention of 12 hours and cold retention of 24. An air-release button and leakproof construction support handling liquid foods; the listed care is dishwasher safe.
- 17-ounce capacity for larger portions
- Listed to keep food hot 12 hours and cold 24 hours
- Built-in foldable spoon and lid that serves as a soup bowl
- Air-release button and leakproof construction
- At 15.8 ounces, the jar itself is heavier than the listed 4-ounce THERMOS FUNTAINER.
Skip it if you prioritize a lighter carry over capacity; the THERMOS FUNTAINER weighs 4 ounces and holds 10 ounces.
Choose the MAXSO for a larger soup portion, extended temperature-retention claims, and a bowl-like lid for eating away from home. Its 15.8-ounce product weight is a relevant consideration for younger children carrying their own lunch.
Full product details
| Brand | MAXSO |
|---|---|
| Capacity | 17 fluid ounces |
| Color | Rainbow |
| Included Components | Containers |
| Dimensions | 3.9"L x 3.9"W x 6.3"H |
| Item Form | Round |
| Item Weight | 15.8 ounces |
| Manufacturer | MAXSO |
| Material | Stainless Steel |
| Free From | PVC Free |
| Care Instructions | Dishwasher Safe |
| Recommended Uses | Fresh |
| Special Feature | Leak Resistant, Thermal Insulated, Vacuum Insulated |
| Style Name | Transitional |
Listed on Amazon as: MAXSO Soup Thermo for Hot & Cold Food for Adults Kids, 17 oz Vacuum Insulated Steel Lunch Container Bento Box with Spoon, Leakproof Thermal Food Jar for School Office Travel – Rainbow
View on AmazonWhy a leak claim is not a backpack guarantee
A listed leak-resistant or leakproof feature does not establish that a jar will stay spill-free in every position or after wear. The Pawtong 12oz Buckle Jar and Waysaw 14oz Jar describe gasket-based sealing, while the Howeemo 10oz Soup Jar lists leak resistance; these are useful distinctions, not independent test results. A practical failure point is an improperly seated lid or seal, especially after cleaning.
Check that the lid is fully closed and the gasket is in place before packing liquid foods, and follow the product’s care instructions. Most entries specify hand washing, so do not assume every jar is dishwasher-safe.
Even with a secure closure, packing the thermos upright in a lunch bag is a sensible precaution when a spill would damage books or electronics.
Match jar capacity to the lunch bag and appetite
The listed capacities range from 10 to 18 ounces, and that difference can change both portion size and how easily a jar fits a child’s lunch setup. The THERMOS FUNTAINER Food Jar, Howeemo 10oz Soup Jar, and Pawtong 10oz Pink Jar suit smaller portions; the Pawtong 12oz Buckle Jar and BOSEDSANG 13.5oz Jar add room without reaching the largest sizes. At the upper end, the Hydrapeak 18oz Food Jar may suit older kids or adults with bigger appetites, but its dimensions and fit should be checked against the child’s lunch bag.
Capacity alone does not tell you how much a child will eat, and exterior measurements vary. Check the listed dimensions where available, along with whether the jar’s mouth and included utensil suit the foods you plan to pack.
How to Choose a Food Thermos for Kids
Capacity and portion size
Choose a capacity that matches your child’s appetite and the space available in their lunch bag. This set ranges from 10 ounces in the THERMOS FUNTAINER Food Jar and Pawtong 10oz Pink Jar to 18 ounces in the Hydrapeak 18oz Food Jar. Mid-sized choices include the 12-ounce Pawtong 12oz Buckle Jar, 13.5-ounce BOSEDSANG 13.5oz Jar, and 14-ounce Waysaw 14oz Jar.
A smaller jar can be easier to carry and may suit a snack or modest meal; older kids or adults who want a larger lunch may favour 15.2 to 18 ounces. Compare exterior dimensions too, because capacity alone does not establish whether a jar fits a particular bag.
Opening style and eating utensil
Look for a lid and utensil setup your child can manage independently. The THERMOS FUNTAINER Food Jar has a push-button lid and integrated foldable spoon; the eedabros 15.2oz Food Jar and CJACJA 15.2oz Food Jar list folding spoons. The Pawtong 12oz Buckle Jar and BOSEDSANG 13.5oz Jar use press-seal buckle structures described as child-friendly.
Other entries include a spoon or do not list one, so check the product details rather than assuming it comes with the jar. Younger children or kids who struggle with screw lids may favour a clearly described opening mechanism.
A child who already carries utensils may prefer to prioritize capacity or fit instead.
Insulation claims and care
Compare the stated hot and cold retention times, while treating them as product claims rather than a guarantee for every packed meal. Listed hot-time claims range from 5 hours for the THERMOS FUNTAINER Food Jar and Pawtong 10oz Pink Jar to 12 hours for the MAXSO 17oz Soup Thermo; cold-time claims range from 7 to 24 hours. Preheating or pre-cooling is specifically suggested for some jars, including the Howeemo 10oz Soup Jar.
Care instructions also vary: several products say hand wash only, while the THERMOS FUNTAINER Food Jar is listed as top-rack dishwasher-safe. Families packing lunch for a shorter school day may prioritize easy cleaning; those packing from morning for later meals may compare the longer listed insulation times.
Which Food Thermos Should I Choose for My Child?
For a compact, kid-oriented jar with a spoon and easy-opening lid, choose the THERMOS FUNTAINER Food Jar. If your child needs a little more capacity and a buckle closure, the Pawtong 12oz Buckle Jar is a strong fit; for a larger portion and a stated 8-hour hot claim, consider the Waysaw 14oz Jar. The eedabros 15.2oz Food Jar or CJACJA 15.2oz Food Jar suits older kids who need more room and want a folding spoon.
For the largest portions, the Hydrapeak 18oz Food Jar offers 18 ounces, but check its dimensions against the lunch bag. Before deciding, weigh portion size, opening style, utensil needs, and hand-wash requirements against your child’s routine.
Frequently Asked Questions
How should I preheat a food thermos before packing a hot lunch?
Preheat it by filling the jar with hot water, closing the lid, and letting it sit briefly while you prepare the food. Empty and dry the jar, then add hot food and close the lid securely. Follow the manufacturer’s instructions, and handle hot water carefully.
Can a food thermos go in a school backpack without leaking?
It may travel in a backpack if its lid is closed securely, but no jar should be assumed leakproof in every situation. Check the product’s stated leak guidance, test it with water at home, and pack it upright in a separate compartment or protective pouch until you trust the seal.
How much food should I pack in a thermos for my child’s lunch?
Pack enough for your child’s usual lunch, using the jar’s capacity as a limit rather than a serving target. A 10-ounce jar may suit a smaller portion, while 12- to 18-ounce options provide more room. Consider your child’s appetite and whether the meal needs space for stirring.
Is an integrated or folding spoon useful for a school lunch?
A built-in or folding spoon can keep an eating utensil with the jar, which may simplify packing. Check how it stores and whether your child can remove and use it comfortably. If your child prefers a different utensil, account for that when choosing a jar.
What should I check before choosing a food thermos for my child?
Compare capacity, opening style, utensil needs, cleaning instructions, and the jar’s dimensions against your child’s lunch bag. A wide mouth may help with filling and eating, while a buckle or push-button lid offers a different opening style. Confirm care guidance for the specific product before buying.
Final Words
For most younger children, the THERMOS FUNTAINER is the practical pick: its 10-ounce capacity, easy-opening push-button lid, and integrated foldable spoon suit a compact school lunch. Choose the Pawtong 12-ounce jar for a little more room and a buckle closure, or a larger option when portions call for it. Check lunch-bag fit, opening ease, utensil needs, and care instructions before deciding.



