... : 2600 Ml stainless steel bento lunch box keep Warm&Cold for 4~6 hours bento Lunch Box,Thermal Container,Food Material:Food Grade PP, Stainless Steel, Stainless ... on-the-go, you can't beat a genuine Thermos food jar to keep salads, fruit or other cold foods ... for food grade plastic. The container is BPA free. As package,we can produce as customers' request Stainless Steel Bento Lunch Box,food jar