The lunch tote bag is made of waterproof leak proof polyester and Insulated aluminum foil liner, the stitching is very thick and tear-resistant, and the heat preservation performance is excellent. It can not only keep the food cold/hot/fresh for 24 hours, but also keep the shape of the lunch bag stable and not deformed. The soft top handle is easy to carry and wear-resistant smooth zipper, you will never find a better custom lunch box container.