Spare Tire Covers Waterproof Dust-Proof Sun Protection Universal Wheel Tire Protectors Fits Tire for Jeep Trailer RV SUV and Many Vehicle Retro Compass 14 inch for Diameter 23-27

Why Do We Need Spare Tire Covers? - Long term sun exposure causes small cracks in tires, which resulting in air leakage. - In rainy day, corrosion of tire rim by acid rain will affect the appearance of vehicle and cause safety hazards. - Could potentially lead to on-road blowouts as well as costly replacement. How To Choose Size SIZE S (14") FIT FOR: diameter 23"-27" / 60~69cm SIZE M (15") FIT FOR: diameter 23"-27" / 70~75cm SIZE L (16") FIT FOR: diameter 23"-27" / 76~79cm SIZE XL (17") FIT FOR: diameter 23"-27" / 80~83cm For example,your tire is P225/70R15, A=225 B=70 C=15 Diameter=A*B/500+C*2.54=225*70/500+15*2.54=69.6cm Than you need to buy the Size M 15inch cover. Item Description: Size: 14”-17”inch Package: 1Pcs Spare Tire Cover Material: polyester (Waterproof & Dustproof & Anti-UV) Note Please allow little color difference due to the monitor and light brightness. Please allow 1-3cm/0.4-1.2inches differs due to manual measurement.