DOREAMON Lunch Box 2Layer STAINLESS STEEL Cute design suitable for kids and family member 100% SAFE TO USE FOR CHILDREN Stainless Steel Raw Material Strong Quality Materials Thick layer of Polyurethane foam to ensure the time of heat preservation up to 4-6 hours. Easy to carry (with handle) Easy cleaning to ensure Evironmental Protection 1400ml to be able to store more food The lid with Extended fastening design，close the lid and box body fastening，no leaking no sprinkle，easy to carry. Thick layer of Polyurethane foam to ensure the time of heat preservation up to 4-6 hours. Easy cleaning to ensure Evironmental Protection  Do not need heating in oven or microwave to save you both Time & Energy  Keep tasty when you bring them from home with this Stainless Steel 3 Layer Multifunctional Electric Lunch Box.