【Lot of Sizes Fit for Jeep Wrangler, Hummer H3, Ford Bronco SUVs and Cars】: Lot of Sizes fit for the original spare tire and OEM spare tire. Please make sure to choose the correct cover size when ordering. You can find "Tire Specifications" in the following list, if your tire is not listed, you can also calculate to pick up the correct cover size based on your tire specifications. 【XL Size Cover fit for Tire Specification】: XL size cover fit for CR from 31.4~33.3, or the tire specification: 245/70R18, 245/75R17, 255/70R18, 255/75R17, 265/70R17, 265/70R18, 265/75R16, 275/55R20, 275/65R17, 275/65R18, 275/70R17, 285/60R18, 285/70R17, 285/75R16, 275/75R17, 305/65R17, 33x12.50R15LT. 【Very Easy to Install】: Pull-on style covers without zipper, the elasticized hem ensures fast adjustable fit, very easy to install and remove without any tools. 【PU Leather Material】: The cover made with PU Leather, NOT Genuine Leather. Don’t forces pull it when you install, the PU leather may tear easily if you pull it hard. 【Non-Scratch, Anti-Dirty】: Make your vehicle looks very Cool! Waterproof, Dust-Proof, Anti-Dirty, Anti-UV, Non-Scratch Backing, protects your spare tires from sun, dirt, corrosion and various weathers when the vehicle is driving or parking. How to know the correct size cover (S, M, L, XL, XXL) for your Tire?
You can calculate the correct cover size based on the tire specifications,

For example, your tire is written: P225/40 ZR18,
A is 225, B is 40, C is 18,
The Calculation Results (CR): (A × B) / 1270 + C, it’s (225 × 40) / 1270 + 18, the result is 25.09,
So that an "S" size cover fits for your tire.

S: for CR 25~27.3,
M: for CR 27.4~29.3,
L: for CR 29.4~31.3,
XL: for CR 31.4~33.3,
XXL: for CR 33.4~35.0,

S size fit for:
195/55R16, 205/55R15, 205/55R16, 205/60R16,
205/65R15, 205/65R16, 205/70R15, 205/70R16,
205/75R14, 205/75R15, 215/50R15, 215/60R15,
215/60R16, 215/65R16, 215/70R15, 225/55R17,
225/65R15, 235/60R16,

M size fit for:
205/70R16, 215/70R16, 215/75R15, 215/75R16,
225/60R18, 225/65R17, 225/70R16, 225/75R15,
225/75R15, 235/55R18, 235/60R17, 235/65R16,
235/65R17, 235/70R15, 235/75R15, 245/70R15,
255/55R17, 255/70R15,

L size fit for:
215/85R16, 235/65R17, 235/70R16, 235/70R17,
235/75R16, 235/80R16, 235/75R15, 245/55R19,
245/60R18, 245/70R16, 245/75R15, 245/75R16,
255/70R16, 255/70R17, 255/75R15, 255/75R16,
265/50R20, 265/65R17, 265/70R15, 265/70R16,
265/75R15, 275/40R22, 275/45R21, 275/65R17,
275/70R15, 285/60R17, 30x9.5-15, 31x10.5-15,

XL size fit for:
235/85R16, 245/70R18, 245/75R17, 255/70R18,
255/75R17, 265/70R17, 265/70R18, 265/75R16,
275/55R20, 275/65R17, 275/65R18, 275/70R17,
285/60R18, 285/70R17, 285/75R16, 275/75R17,
305/65R17, 33x12.50R15LT,

XXL size fit for:
265/75R18, 285/75R17, 315/70R17, 33x12.50R16.5LT,

If your tire specifications are not listed, you can Calculate the correct tire cover size or write to us.