This multilayer lunch box is suitable for school, office or outdoors use. Portable and thermal, keep the food not to be cold so quickly. Stainless steel layered lunch box, portable handle, reinforced hidden PP handle, easy to carry when you go out and take up no space. It has the characteristics of anti-corrosion and non rust, energy accumulation and heat lock, enhanced thermal insulation and convenient cleaning. The outer layer is made of thickened PP material, the hollow design is not hot, the PP lock is firm, and it is not easy to fall during carrying