This stainless – steel food storage container is made of food – grade 304 stainless steel, which is heat – resistant and rust – resistant. It features internal and external wire – drawing processes and is finely polished. With high – quality, it is scratch – resistant and easy to clean. It has large capacities and various specifications to meet diverse needs. The lid is made of PC material, which is highly transparent and tough. Moreover, it can provide vacuum storage, is leak – proof, and is suitable for refrigerator preservation.