Dee-Type Spare Wheel Tire Cover Classic Grill R17;

Dee-Type Spare Wheel Tire Cover Fit Jeep Wrangler,Liberty Classic Grill
Specifications:
1)It is made of strong and washable material,the high quality materials and workmanship make it durable and easy to maintain?
2)Easy to install and remove and no tools required 4)Spare tire cover is an easy and practical way to protect your spare and add some style at the same time.?
3)The cover helps guard against sun,rain,mud,and other elements,messes can be wiped or hosed off.?
The arithmetic to calculate diameter of your tire:
For example, your tire is written with P215/60R16, A=215 B=60 C=16.
Your tire diameter =A*B/500+C*2.54 =215*60/500+16*2.54 =66.44cm
SIZE S (15 INCH) FIT FOR: diameter 70~75cm
SIZE M (16 INCH) FIT FOR: diameter 76~79cm
SIZE L (17 INCH) FIT FOR: diameter 80~83cm