4 Pack Silver Tire Covers for RV Wheel Oxford Waterproof UV Sun Protectors for Universal Van SUV Vehicles Diameter 19"-42" Features: Fits 19" - 42" Tire Diameters: RV tire covers set of 4, ideal for use on RVs, trailers, campers, cars and trucks tire. Please measure before purchasing. Well Made and Durable: Made of high quality material with aluminum coating (reflective material) , cotton lining to provide you better sun tire cover. Hook Design: keeps the tire protectors stay on the rv wheel securely even on windy days, it is easy to put on or remove. Weatherproof Function: Protect the tires and wheels from sun, rain, frost and snow damage, dirt, rust, corrosion and all types of weather when your vehicle is parked. Longevity: KEEP WHEELS IN GOOD SHAPE AND EXTEND THEIR SERVICE LIFE. Fit for Tire Dimeter : 19"-22", 23"-26", 26"-27", 27"-29", 30"-32", 33"-35", 36"-39", 40"-42"