RV RV Wheel Tire Covers (4 Pack Silver) SUV Fits Diameter 30"-32" a Oxford Waterproof UV Sun Protectors for Truck Trailer Camper Boat [Included]Set of 4 tire covers [Size Selection] Universal fit for tire diameters from 36 to 39 inches (⚠️ not the rim size). Please choose the appropriate size of the tire cover according to our size chart (or by calculation formula: for example, your marked tire size is P365/75R16, A=365, B=75, C=16, diameter=A x B/500/2.54andC=365 x 75/500/2.54and16=37.56 inches, then you should choose the XXL size for a tire diameter of 36 to 39 inches.) [Function]It is an ideal cover for all seasons. Protects tires and wheels from sun damage, rust, and dirt when your vehicle is parked. Durable water-resistant coating with UV stabilized treatment, durable and strong enough as a tire cover, and the tire cover is easy to clean, just wipe with clean water. [Compatibility]Perfectly compatible for Jeep, car and truck, SUV, trailer, camper, motorhome and RV, or anything with the correct tire size. [Unique Design]The bungee cord with automatic locking allows for a perfectly fitted installation in seconds. Our design has remarkably increased the wind resistance capacity and we no longer need any ties or holes to stay in strong winds. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.