OmieBox is an insulated bento box for kids: Helps you pack healthier lunches with more variety. Keeps food hot and cold in the same box. Works well for sandwiches, soups, or both! Helps kids be independent at school. Is BPA and Phthalate-free Materials: 18/8 304 grade stainless steel, food grade plastic & silicone Color: Lilac Purple Dimensions: 21.6 x 19 x 7.62 cm Box Volume: 47 oz., Thermos volume: 8.5 oz.