The Best Insulated Food Jars
We reviewed eight insulated food jars from THERMOS, based on 48,000+ owner ratings and reviews, to find the best for keeping kids' lunches hot or cold.
Updated
The bottom line
The THERMOS FUNTAINER Kids Food Jar (ASIN: B08NCVT244) is our top pick for its excellent temperature retention, durability, and kid-friendly design. It keeps food hot for up to 5 hours and cold for up to 7 hours. Owners rate it 9.4/10 from 48,784 ratings. At $12.91, it offers great value. Tradeoff: May not keep food hot for the full 8 hours as advertised. The closest alternative is the THERMOS FUNTAINER Insulated Food Jar (ASIN: B0FD7P44D9), which offers similar performance but at a higher price. There is no budget pick as all options perform similarly within their price range.
THERMOS FUNTAINER Kids Food Jar $12.91
Best overall insulated food jar for kids
This 10oz jar keeps food hot up to 5 hours and cold up to 7 hours. Owners rate it 9.4/10 from 48,784 ratings. At $12.91, it offers great value. Tradeoff: May not keep food hot for the full 8 hours as advertised.
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THERMOS FUNTAINER Insulated Food Jar $125.94
Premium option with similar performance
This 10oz jar also keeps food hot up to 5 hours and cold up to 7 hours. It has a 4.7/5 rating from 48,748 owners. At $125.94, it is significantly more expensive. Tradeoff: Higher price with no measurable gains over the top pick.
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- THERMOS FUNTAINER Kids Food Jar Best balance of performance and price. 9.0/10 $12.91 Amazon
- THERMOS FUNTAINER Insulated Food Jar Premium option with similar performance but higher price. 8.0/10 $125.94 Amazon
- THERMOS FUNTAINER Durable and effective, but slightly more expensive. 8.0/10 $20.99 Amazon
- THERMOS FUNTAINER Kids Food Jar Highly rated and effective, but slightly more expensive. 8.0/10 $18.99 Amazon
- THERMOS FUNTAINER Kids Food Jar Pack of six jars, effective but more expensive per unit. 8.0/10 $18.84 Amazon
- THERMOS FUNTAINER Kids Food Jar Themed design, effective but slightly more expensive. 8.0/10 $21.99 Amazon
- THERMOS FUNTAINER Kids Food Jar Effective and durable, but slightly more expensive. 8.0/10 $17.81 Amazon
- THERMOS FUNTAINER Kids Food Jar Durable and effective, but slightly more expensive. 8.0/10 $20.49 Amazon
What to look for in an insulated food jar
When choosing an insulated food jar, consider temperature retention, durability, ease of use, and price. All the jars we reviewed perform well in these areas, but the THERMOS FUNTAINER Kids Food Jar (ASIN: B08NCVT244) offers an excellent balance of performance and affordability.
Owner sentiment
Owners consistently rate these jars highly, with average ratings of 4.7/5 across tens of thousands of reviews. Positive feedback often highlights the effective temperature retention and durability, while some owners note that the jars may not keep food hot for the full 8 hours as advertised.