Trailer tire cover can prevent dust, water, sun and corrosion, keep the spare tire clean, spare tire covers for trailers make your vehicle look more beautiful.\n\nWhy choose our tire covers?\n- Strong waterproof, dust proof, durable, corrosion-resistant and sun-proof.\n- Suitable for most cars. Personalize your body, decorate the body, stylish and beautiful.\n- With nylon rope and buckle, adjustable size, easy to install and remove, no tools required.\n- Effectively avoid spare tires such as tire wear, pollution and degumming caused by long-term non-use.\n\nSize Guide:\n14\" fits for tire diameter 23.6-27.1 in/60-69 cm\n15\" fits for tire diameter 27.5-29.5 in/70-75 cm\n16\" fits for tire diameter 29.9-31.1 in/76-79 cm\n17\" fits for tire diameter 31.4-32.6 in/80-83 cm\n\nHow to calculate your tire diameter?\nStep 1: Find Your Tire Parameter. It’s written on your tire side\nStep 2: Calculate Your Tire Diameter\nIf your tire is written with P225/65R17.\nTire diameter=22.5*0.65*2+17*2.54=72.43 cm\nYou need to buy the 15 inch.\nIf your tire is written with P205/55R16.\nTire diameter=20.5*0.55*2+16*2.54 = 63.19 cm\nYou need to buy the 14 inch.\n\nWe hope that customers can receive beautifully designed spare tire cover for RV trailer. If you are not satisfied with our product, let us know, and you will be offered a full refund or replacement. Enjoy this absolutely RISKS FREE purchase by clicking the yellow Add to Cart button.\nYou can also discover funnier spare tire covers in our shop.