Moonet Tire Covers for RV Wheel (4 Pack Black), Oxford Waterproof UV Sun Protectors for Truck Motorhome Boat Trailer Camper Van SUV, for Diameter 19"-21" Black

【Size】4 covers/set, fits entire tire diameter: 19"-21". It’s NOT the rim size. Usually fits for your tire size marked is 145/70R13. Please make sure your tire diameter before buying OR contact us directly. We will be happy to recommend the correct size tire cover for you.
【Size Selection】Universal fit for 19 - 21 inch tire diameters (⚠ not the rim size). Please choose the suitable size of tire cover according to our size guide chart (or by calculate formula: For example your tire size marked is P145/80R12, A=145 B=80 C=12 Diameter=A*B/500/2.54+C=145*80/500/2.54+12=21.13 inch, then you should to choose the size XS for Tire Diameter 19-21.5 inch.)
【Function】It's a ideal all-season cover. Protects tires and wheels from sun damage, rust and dirt when your vehicle is parked. Durable water resistant coating with UV stabilized treatment, long-lasting and tough enough as a tire cover, And the tire cover is easy to clean, wipe only with clean water.
【Compatability】Perfectly compatible for Jeep, car & truck, SUV, trailer, camper, motor home & RV, or anything with the correct tire size.
【Unique Design】Elastic cord with auto-lock design easily makes a snug-fitting installation within seconds. Our design has remarkably raised the wind resistance capacity and we don’t need ties or holes anymore to stay in high wind.