These Chrome plated hub caps make your Bobbybilt Wagon more attractive. You just attach these chrome caps to your Bobbybilt Wagons wheels. It comes with 4 pcs. a set. Because of limited supply, we sell to the only the customer who ordered wagon from us. Chrome Hub Caps Bobbybilt Moon Caps$44.00 visit our site at http://kaz-usa.com for more information.