Best Bid Offer Tire Covers Set of 4 Waterproof Sun Protectors for Wheels Oxford Cloth Fabric for Auto Truck Car Camper 4 Pack (19-22inches) Material: Waterproof oxford & cotton wool lining.prevent tire oxidation, sun damage,corrosion and damage by the frost. Protect tires from sun damage, dirt, corrosion.Cotton wool lining side:protect tires from damage by the frost or various bad weather damage. Function:Protect tire from various of bad all types of weather damage when your vehicle parked in outdoor. Convenient: Easy to install, remove and clean;no tools required. Application: Ideal for use on RV, trailers, campers, cars and trucks