Description This lunch box is made of stainless steel and PP material, which is very suitable for those who are busy with cooking. The water-filled heating and heat insulation design is very suitable for preparing food, storing, organizing and organizing food. It is suitable for home, work, school, picnic, etc.Feature- Material: Stainless Steel, PP.- Color: Black.- Capacity: Approx. 700ml per layer.- Heat Preservation Time: Approx. 1-2 hours.- Four Layer Size: Approx. 32 x 14 x 14 cm 12.6 x 5.5 x 5.5 inch.- Three Layers Size: Approx. 10.2 x 5.5 x 5.5 inch 26 x 14 x 14 cm.- Double Layer Size: Approx. 19 x 14 x 14 cm 7.5 x 5.5 x 5.5 inch.- Monolayer Size: Approx. 12 x 14 x 14 cm 4.7 x 5.5 x 5.5 inch.-metal bento boxes.-The sealing ring is close to the edge and has good overflow resistance.-Silicone ventilation holes to prevent lid from being opened by air pressure.-Trapezoidal buckle, not easy to fall off.-Water-filled heating and heat insulation design, very suitable for food preparation, storage, organization and organization.-Suitable for family, work, school, picnic, etc. It is safe for children and adults.- Size: 2 Tier.Package Including 1 x lunch box