UNIVERSAL FIT:Our spare tire covers are proportioned for the tire diameter and come in 4 different sizes for various tire wheel. Especially fits for Trailer,SUV,Honda CR-V, Jeep Wrangler, Campers, Toyota CRV RAV4, Suzuki, Ford, Trucks, RV and Motorhome. fits 26"-27"(14inch),28" -29"(15inch),30"-31"(16inch) and 32" - 33"(17inch) tire diameters.(⚠️NOT THE RIM SIZE⚠️) MATERIAL:Our spare tire cover is made of PVC leather.Soft and scratch-free PVC leather material, Waterproof, anti-corrosion, strong wear-resistant, wipe-clean vinyl with non-scratch backing.Easy to clean, you just need to wipe with a rag. MULTI FUNCTION:Effectively protects your spare tire from rain, snow, wind, dust, sun or any bad weather when your vehicles in garage or outside. Not only prevent your spare wheel from corroding, but also make your vehicle more fashion. greatly improves vehicle appearance, keep spare tire clean. EASY INSTALLATION:Our Spare Tire Cover are easy to install and remove and no tools required. Elastic band design is more humanized,for a fast and adjustable fit. ABOUT TIRE SIZE:Check Tire Diameter First - Check tire parameter on the tire’s sidewall, which will tell your tire diameter. Or just measure the diameter from the bottom to the top of the tire. Tire sizes are shown in the picture and also list on below detailed description. Description: Tire Covers For Spare Tire Advantage: 1. Easy to install and remove, no tools required.Elastic band design for a fast and adjustable fit. 2. Waterproof and non-scratch. Protects against knocks and scratches, keep spare tire clean. 3.Protect the tires and wheels from sun, dirt, corrosion and all types of weather while your vehicle is parked or outside.Not only prevent your spare wheel from corroding, but also make your vehicle more fashion. 4. 4 different sizes tire diameter for you to choose from.Universal fit for Jeep, Trailer, RV, SUV, Truck and many vehicle. 5.Tires left exposed to the sun and other environmental hazards will deteriorate much faster than you might think and could potentially lead to on-road blowouts as well as costly replacement. 6. Waterproof Spare Tire Cover Protector- Universal Fit Tire covers,Suit for Jeep, Trailer, RV, SUV, Truck and Many Vehicle Specification Material: PVC Tire diameters: 14 inch for Tire Φ 26"-27" 15 inch for Tire Φ 28"-29" 16 inch for Tire Φ 30"-31" 17 inch for Tire Φ 32"-33" Item Description: Package: 1Pcs Spare Tire Cover Material: PVC Leather (Waterproof & Dustproof) Specification Selection Size 14 inch fits for tire diameter 66~69cm Size 15 inch fits for tire diameter 70~74cm Size 16 inch fits for tire diameter 75~78cm Size 17 inch fits for tire diameter 79~82cm How to know your tire diameter? Please refer to below two methods: ❶Measure the diameter from the bottom to the top of the tire. ❷Calculate your tire diameter by this arithmetic. If your tire is written with P225/65R17. Tire diameter=22.5*0.65*2+17*2.54=72.43CM. You need to buy the 15 inch one. If your tire is written with 245/70 R17. Tire diameter=24.5*0.7*2+17*2.54=77.48CM You need to buy the 16 inch one. Note: Please be sure to check the size on the spare tire before you purchase.