This is a 24" x 1 3/8" Primo PNEUMATIC TIRE (requires air inner tubes) in black, non-marking color. Price is for a set of 2 tires This tire fits on 24" rims with AIR VALVE HOLE. If you have a wheelchair rim with a solid tire and there is NO valve stem HOLE, this tire WILL NOT FIT. PLEASE CHECK YOUR RIMS ANDMAKE SURE THERE IS A HOLE ON THE RIM PRIOR TO ORDERING California Proposition 65 Warning WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov