MICHELIN Car Tire Protection, Grey/Black Wheel Felt, 4 Pack These felt pads fit inside the Michelin Tire Bag (sold separately) to protect tire rims from nicks and scratches Additional level of protection from tire and brake residue for your clothes and vehicle interior Soft, durable felt pad is .5" thick/20" diameter; works with Michelin Tire Bag to fit most consumer vehicle tires (22-31" diam.) Has opening for ventilation