Thermos Food Jar vs Bentgo Chill: Hot or Cold Daycare Lunch? (2026)
A vacuum food jar keeps pasta warm until lunchtime; a chilled bento keeps a cold lunch safe without a separate ice pack. Compare food safety, capacity and what centers allow.
This is a question about your child, not about the containers. Send the Thermos Funtainer food jar if your child eats warm food and will not touch a sandwich, and the Bentgo Chill if cold food is fine. Both solve the same underlying problem, which is that daycare has no refrigerator and no microwave, and both do it well. The food jar carries one warm thing; the Chill carries four cold things in separate compartments.

THERMOS FUNTAINER Kids Food Jar with Spoon, 10oz, Pink
Vacuum-insulated 10 oz jar with a spoon in the lid. Preheat it with hot water and pasta or soup is still warm at lunch.
Check price on Amazon
Bentgo Chill Kids 4-Compartment Bento Box Leakproof Lunch Box
Four sealed compartments with removable ice packs built into the lid, so a cold lunch stays cold without a separate ice pack.
Check price on AmazonLicensed daycare and preschool programs that ask families to send lunch almost never have refrigeration for individual lunches or the staffing to reheat food. That constraint is what makes both of these products exist. It also makes food safety a real consideration rather than a hypothetical: perishable food should stay below 40°F or above 140°F, and the four hours between drop-off and lunch is long enough for the gap in between to matter.
Ask the center what they allow before ordering. Some programs will not accept thermos containers in the youngest rooms, some cap lunch box dimensions to fit a cubby, and nut policies shape what goes inside more than either container does.
Food jar vs chilled bento at a glance
| Thermos Funtainer Food Jar | Bentgo Chill Kids | |
|---|---|---|
| Food temperature | Hot | Cold |
| Capacity | 10 oz, one dish | Four compartments |
| Variety | One thing | Main plus three sides |
| Needs preheating | Yes, for best results | No, freeze the lid |
| Child can open alone | Usually, screw lid | Usually, single latch |
| Budget | Under $25 | Under $50 |
Choose the Thermos Funtainer Food Jar if…
Your child eats leftovers, pasta, rice, soup or anything else that is only good warm, or you want to send dinner leftovers rather than plan a separate lunch. Fill the jar with boiling water, leave it a few minutes, tip it out, then add hot food: that step is what makes the difference between warm at noon and lukewarm, and it is the one most people skip. Ten ounces is a substantial portion for a preschooler.
Check the Thermos Funtainer Food Jar on Amazon
Choose the Bentgo Chill Kids if…
Your child eats a cold lunch and you want variety in it. Four sealed compartments keep wet fruit away from crackers, and the ice packs are built into the lid, so there is nothing separate to freeze, remember or lose. That last part is the practical case for it: a lunch box that requires you to remember an ice pack is a lunch box that occasionally goes out without one.
Check the Bentgo Chill Kids on Amazon
The temperature rule
Keep perishable food below 40°F or above 140°F. A preheated vacuum jar and a properly frozen ice pack are the two ways to do that without a refrigerator. If lunch is more than about four hours after packing and neither applies, send shelf-stable food instead. When in doubt, throw it out rather than sending it back the next day.
Related guides
Comparison based on published manufacturer specifications and the general consensus of owner reports. We have not tested these products side by side. Confirm current prices, sizes and specifications before buying. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.
Frequently Asked Questions
How long does a Thermos food jar stay warm?+
Owner reports generally describe food staying warm for four to five hours when the jar has been preheated with boiling water first, which comfortably covers a morning drop-off to lunch. Without preheating, expect noticeably less, which is the most common reason people conclude a jar does not work.
Will daycare heat up food for my child?+
Most will not, and many licensed programs are not permitted to, because reheating food for individual children raises both food safety and staffing issues. Assume no reheating and no refrigeration unless the director tells you otherwise in writing.
Can a three-year-old open a food jar?+
Most can open a Funtainer screw lid with practice, and the spoon stored in the lid removes one thing to forget. Practise at home before the first day. If your child cannot open it alone, a teacher can help, but a container that needs adult help every day tends to become a container your child eats less from.
Are both dishwasher safe?+
Both are dishwasher safe on the top rack. Wash the food jar's gasket separately by hand from time to time, since food residue collects under the seal and that is where a smell starts.
Written by
ChildCarePath Team
Our team is dedicated to helping families find quality child care options through well-researched guides and resources.
Related Guides
BabyBjörn Smart Potty vs Toilet Trainer Seat: Which for Potty Training? (2026)
A floor potty lets a toddler get on and off alone; a toilet seat insert skips the second transition. Compare independence, cleaning and what most daycares are set up for.
Bentgo Chill vs OmieBox: Cold Lunch or Hot Lunch for Daycare? (2026)
Bentgo Chill keeps a cold lunch cold with removable ice packs; OmieBox adds an insulated thermos well for hot food. Compare capacity, leak resistance and daycare practicality.
Brother P-touch CUBE Plus Review: Labelling Everything for Daycare (2026)
A Brother P-touch CUBE Plus PT-P710BT review for parents: Bluetooth label printing up to 24 mm, laminated TZe tapes that survive the dishwasher, running tape cost, and cheaper label options.
Hatch Baby Sound Machine Review: Routine Builder, Subscription Attached (2026)
A Hatch Baby sound machine and night light review: app-controlled routines, sleep guides, the Hatch+ subscription after three months, safe volume for infants, and simpler alternatives.
Hatch Rest vs Yogasleep Dohm: Which Sound Machine for a Nursery? (2026)
Hatch Rest adds a night light, app control and routines; the Dohm is a mechanical fan that never loops. Compare sound quality, features and safe volume for a nursery.
Munchkin Miracle 360 vs NUK Learner Cup: Which First Cup? (2026)
The Miracle 360 drinks like an open cup with no spout; the NUK Learner keeps a soft spout. Compare spill resistance, dental guidance and which one daycare will accept.