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 tires 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.Size 31 inches