Safety Material: Stainless steel liner, which can be in direct contact with real objects, healthy, corrosion-resistant and never rust. The lid is food grade safety plastic, non-toxic and tasteless.
3 Layers Can Be Stacked: You can choose 1, 2 or 3 layers according to your needs. The food and soup are placed in layers and sealed without flavour. It is convenient for office workers or students to carry.
Strong Sealing: Sealed layer by layer without leakage. In addition, there is a removable small silicone vent plug cover that can help you open or close the lunch box when it is easier to expand with cold, heat and contract.
Heat Preservation Function: The inner tank is made of stainless steel for heat preservation. The heat preservation time is about 2 hours for lunch boxes and about 4 hours for lunch boxes with heat preservation bags.
Lunch Bag And Tableware Set: Lunch bag has thermal insulation effect, which not only improves the thermal insulation effect, but also is easy to carry. A set of free tableware is also provided, which can be put into the lunch bag of the lunch box, which is more convenient to use.