Audi TT Vinyl Wheel and Tire Storage Bag Skintight tire bag is made from 11 oz. vinyl to provide superior protection for your interior dust and dirt in the case of a flat tire. Features a debossed Skintight logo. Heavy duty zipper securely holds tire in bag. Can be used to safely store your summer/winter wheels. Each product is designed specifically for your vehicle. If it fits like a glove its Skintight.