High quality 13 Inch spare tire cover fits tire size: diameter (55cm-58cm/22"-23"), Universal fit for Car, Travel, Trailer, RV, SUV, Truck and many vehicle. Crafted from weather resistant leather grain vinyl (PVC imitation leather), waterproof, dustproof, windproof, snowproof, rainproof, sunproof, UV, anti corrosion and Moisture proof. Keep your tires free of scratches, knocks, sun damage, bird drops, rust and dirt, In order to make your tires life more durable. Easy to install, remove and clean, no tools required Elastic band design for a fast and adjustable fit. Folds up compact for easy storage. How to know Whether this tire cover fits yours? For example, If your tire is P265/70R16, A=275 B=70 C=16 ,Your tire diameter=A*B/500+C*2.54=265*70/500+16*2.54=77.74cm