... for 4~6 hours Bento Lunch Box,Thermal Container Material:Food Grade PP, Stainless Steel, Stainless IronMaterial free:Phthalate, melamine ... , BPA, flame retardants, Nitrosamine, Latex, PVC,SGS:Cadmium, Lead safetyCare instructions:Top rack dishwasher safe, hand-washing ... possible.Hot or cold Unbreakable stainless steel interior and Food-Grade PP exterior, Extra wide mouth is easy to ...