... to the tire.No leaksMade of micro-cellular polyurethane, making the tire flat-proof . No air, no leaks, and absolutely no flat tire downtime.Good ... choice where oils and chemicals would normally damage a pneumatic tire.Construction, industrial, lawn & garden, roofing, rental, concrete, material ... market.We have many kinds of model, and we can also make the new model for your requsted.If you have ...