This car tire protector is made of polyester fiber and strong waterproof fabric, which is not only dustproof and waterproof but also sunproof, greatly improving the appearance of the vehicle and keeping the spare tire clean. Universal fit for RVs, trailers, SUVs, trucks and many vehicles. Comes with nylon rope and buckle, adjustable size, easy to install and remove, no tools required. It is recommended to wipe it with a damp cloth for cleaning. It can also be given as gifts to relatives and friends during various festivals. Please measure before purchasing. 14" cover fits tire diameter 65-69cm (25.5-27inch), 15 Imperial cover fits tire diameter 70-74cm (27.5-29inch), 16" cover fits tire diameter 75-79cm (29.5-31inch), 17 inch cover fits 80-83cm (31.5-32.5inch) tire diameters.