This insulated picnic bag is made of non-woven fabric and aluminum foil, keeping your food and drinks cool or warm for hours. It features a sturdy zipper, strong handles, and a collapsible design for easy storage. The bag is waterproof, non-toxic, and odorless, making it perfect for outdoor use. With a large capacity, it can hold plenty of food and drinks, and is widely used as a lunch bag, cooler bag, or picnic bag.