They fold flat for easy storage so you can take them anywhere. Wipe clean with damp cloth.Just clip expandable Grab Bags to your cart, fill with items, and lift out right into your vehicle.Use the insulated tote to keep cold items from getting warm, and keep cooked foods hot and ready to serve. Made with recycled materials, each bag holds up to 40 lbs--the equivalent of 4 plastic store bags.The large outer front pocket is perfect for holding coupons or shopping list. Reinforced handles make them easy to carry on those light shopping trips.