Eliminate downtime with the Marathon Flat Free, All Purpose Utility Tire and Wheel Assembly. The tire is 10.5" in diameter and is compatible with many types of utility equipment such as air compressors, pressure washers, generators, blowers, hand trucks (dollies), garden carts, and more. It is made of solid, polyurethane foam that has the same bounce and handling feel as an air-filled tire. It won't leave marks on any surfaces and will not deteriorate when left exposed to sun or moisture. Best of all, it’s guaranteed to never go flat. Note: not for highway use. The Marathon brand features a full line of air filled and flat free tire and wheel assemblies for lawn and garden and commercial/industrial equipment. This includes universal fit and exact match options to accommodate nearly every application. Count on Marathon for quality, easy-to-install products at a great value.