KINGSO Portable Stainless Steel Insulation Picnic Lunch Jar Box Food Storage Carrier Container Blue 3-Layer Material: Stainless Steel, Eco-friendly PP Size: as shown, Pattern: 3-Layer Color: Green/Blue/pink Package included: 1PCS x Lunch Box It is easy to carry, compact and lightweight. You can choose to take 1/2/3 layers to work or school