... resistant Specification:1 Pu wheel 10*300-4/pu foam tyre.2 Flat free tyre.3 color:black ... as your demand.Product feature (1)10"pu wheel with black steel rim.· (2)Color and macroshape ... long time without repair.· (6)It is unflat free wheel. you have no need to be afraid of being ... carts, grass cutters, toy vehicles, baby carriers, bicycles, wheel chairs, golf trucks, carriage trucks and others. We pay ...