Come and see our amazing products.Thermal Insulated Food Delivery Backpack is made of Aluminum and Nylon is large capacity . Spacious enough to fit most food packages like sandwiches, beers, snacks and etc.The exterior of our cooler backpack is made of heavy-duty waterproof oxford,PE foam and aluminum foil interior ensures insulation for your food.Wide opening for easy access for the food/beverage in the bed, Two large side pockets offer extra space for storage. Pls confirm further with us if any query about packing info, inventory status and time schedule.