KEEP FRESH & COLD & WARM: Durable Polyester and BPA-free food grade thick aluminum foil with a 5mm thick thermal insulation pearl foam lining, which can keep your drink cold about 8 hours, keep the food about warm 4 hours ,and also keep the fruit fresh about 8 hours. LARGE CAPACITY: The main zipper pocket can be used for sandwiches, fruits, drinks, cakes, etc. There is a zippered pocket on the front and back for easy storage of keys, cards, phone chargers, napkins, water bottles, earphones, chewing gum or others. STURDY AND DURABLE: This insulated lunch bag is made of fine craftsmanship and the exterior is polyester which is very wear-resistant. The handle maximum load is 33lb. Metal zipper wont break easily. The lunch tote bag very durable. MULTIPLE USES: The appearance of your lunch bag is simple and stylish which is suitable for kid, men and women. And the light weight is easy to carry, it allows bring to anywhere like school, work, outdoors or picnic, fully meet your needs.