Come and see our amazing products. Made of high density oxford cloth and nontoxic aluminum foil, well needlework and stable zipper, straps and zipper are strong enough to protect from breaking. Whatever your cold drinker or hot foods, ultra-thick aluminum foil insulation of lunch box will keep food fresh and warm and cold. during travel and storage. Pls confirm with us about the packing info, stock color and exact production time before placing your order.