[Quality assurance] Polyester outer layer, aluminum surface, coated with expanded polyethylene (EPE), with water resistance, high resistance to cold and heat, non-toxic, harmless and tasteless, brings you a healthy life. [Multipurpose] This product can be used as a packed lunch, picnic bag, and grocery storage bag. Whether you are going to work, school, the beach, camping, fishing, or other places, it is a great choice for meals to take with you. Suitable for men, women and children. [Large capacity] 24 * 14 * 18cm, can meet different requirements. You can load fruit, desserts, bread, cookies, drinks, ice packs, etc. [Fashion design] Lightweight double padded handle, improved smooth zipper, easy to clean, waterproof and heat-resistant.