DURABLE: Insulated grocery bags can hold 50 lbs of stuff when you need it for the beach, travel. The insulated grocery bags are reinforced with tape and with reinforced X stitching on the carry handle, allowing them to safely carry heavy loads.Portability and Versatility: This one fits a variety of outdoor activities, including beach picnic, hiking, camping, BBQ and more. Its a must-have for outdoor travel.Collapse so bags effortlessly fold flat for easy storage. Folds up easily so it doesnt take up much space. Ideal to keep in the car. Zipper: airtight zipper, metal zipper head, smooth and durable, more heat preservation effect Excellent and durable. make it easy to carry all your groceries on even the biggest shopping spree. With a 55lb capacity, they let you skip disposable bags and make you an environmental hero. Dont be fooled by the size of these reusable bags. In addition to their large capacity, they fold flat to the size of a laptop and take up little space. Stuff the bags in your backseat pocket, trunk or kitchen drawer and grab them the next time you go shopping, bring the books to the library or organize your childs toys. : Waterproof insulated compartmentUses: heat preservation, cold preservation and freshness preservation.Color: grayMaterial: water-repellent nylon fabricPackage included2 * picnic bag