PU wheel Foam PU wheelwith variousrim, color and tread.Enviroment-friendly products.Much lighter than traditional rubber pneumatic tires.Eliminatecostlyrepairorreplacementoftiresandtubes.EliminateALLdowntimerelatedtoflattires.Long lasting based on high standerd material.Different dimension wheel supplied, including 6", 8", 10", 13", 15", 16" etc. Perfectforhand truck, wheel barrow tire, lawn mover,mobilitychairs,etc.