Product information: Material:PVC leather Easy installation, no tools required: The arithmetic to calculate diameter of your tire. For example: Your tire is written with P215/70R16,A equal 215, B equal 70, C equal 16 Your tire isdiameter equal AxB/500 add Cx2.54 equal 215x70/500 add 16x2.54 equal 70.74CM Size S 14 inch fit for diameter 60-69cm 24inch-27inch Size M 15 inch fit for diameter 70-75cm 28inch- 29inch Size L 16 inch fit for diameter 76-79cm 30inch -31inch Size XL 17 inch fit for diameter 80-83cm 32inch INSTALLTION TIP: With the long-term exposed weathered, the ditry spare tire makes your car not enough beautiful. Besides, it is more easier to turn your spare tire aging. Contents in Box: 1 x Wheel Tire Tyre Cover More information about product: It is made of strong and washable material,the high quality materials and workmanship make it durable and easy to maintain Easy to install and remove and no tools required Spare tire cover is an easy and practical way to protect your spare and add some style at the same time. The cover helps guard against sun,rain,mud,and other elements,messes can be wiped or hosed off. Elasticized back hem for a fast and adjustable fit Waterproof,non-scratch backing