AFTER AN HOUR AND OF EFFORT WITH TWO SCREW DRIVERS AND GLOVES AND ULTIMATELY CUTTING THIS IN TWO PLACES I FINALLY GOT IT ON...WEAR GLOVES OR SUFFER BRUSH BURNS ....I ORDERED IT AS REVIEWS SAID IT WAS LARGER THAN NORMAL COVERSONE REVIEW STATED SOMEONE GOT IT ON AN 18 INCH WHEEL I DON'T KNOW HOW THEY COULD IN MY WILDEST DREAMMY SUBARU WHEEL IS STANDARD I THINK 15 INCHES OR 15.5NO TRUTH TO THE CLAIM "IT JUST SNAPS ON"I AM A PENNEY PINCHER SO I CUT IT AND GOT IT ON RATHER THAN RETURNING IT POSTAGE YOU KNOWAND IT DOES NOT SMELL AT ALL AND IS PRETTY BUT OH BOY WHAT A JOB INSTALLINGi PROMISED MYSELF I'D TAKE THE TIME TO WARN OTHERS WITH A REVEIEW IF I GOT IN ON OR NOTEVEN THOUGH MY FINGERS ARE SO COLD HERE IS THE REVIEWAGAIN WEAR GLOVES