SIZE - Fits 26.75 - 29 inches diameter tires, measure your tire before purchasing and if you have any questions about your size, please contact us. 600D - Made of high density 600D with waterproof coating 600D cloth is much better than canvas and PVC tire covers that can protect tires from bad weather and has a long service life. DESIGN AND FUNCTION - Elasticized back hem and buckle design protects the tires from wind, sun, rain , snow, dust, dirt, dog pee and bird's dropping when your vehicle is parked and the tire cover is very easy to install. 4 PACK - Tire covers set of 4 can be used on RV, trailer, car, truck, camper, motorhome and any tire with 26.75 - 29 inches tire diameters. ASSURANCE - Please contact us if you have any problem, we will respond within 24 hours and try our best to resolve it for you. If you are not satisfied with our products, we are willing to provide a full refund or a new product.