Material: the spare tire cover is made of Oxford cloth. Waterproof and durable. Easy to use clean, machine wash hand or machine wash Effective protection: Protects tires and wheels from sun, dirt, water, corrosion and all kinds of weather. Also used to store spare tires Universal spare tire cover: fits up to ; a tire diameter of 80 cm (31.5 inches). Note: Please refer to the product photo for size calculation and details. Ideal for use on RVs, trailers, cars, trucks, etc. Elastic strap and handle design: This makes the tire covers more flexible to accommodate different tire sizes. Easy to use transport and carry ranger. Included: Complete set of tire covers (4 pieces, black)