The stainless steel bottom of the inner layer of the thermal lunch box is designed with PU foam filling which keeps the heat preservation longer and can provide 3-4 hours of heat preservation effect
You will get 4 Insulated bento lunch boxes - two sizes, two large and two small, to meet your different needs
Each bento lunch box comes with a double silicone seal to lock in freshness, leaks and odors
There is a clamshell exhaust valve on the top of the lid, the hot air can be exhausted at any time, which makes it easier to open the lunch box
The stainless steel Insulated lunch box set adopts a stackable design which can be freely combined and stored separately, preserving the original flavor of the food and making life more pleasant and refined