Heavy-duty Polyurethane tire wheels with rotating brackets Solid, never-flat construction for long-term use and savings Wheels enables you to lift your goal off the ground and easily push Set of 2 Polyurethane tires Easily maneuver your AGORA Premier Pro Soccer Goal with a pair of AGORA Heavy-Duty Tire Wheels. These never flat, puncture-proof Polyurethane (PU) tires include rotating brackets that allow the goal to be lifted off ground and easily pushed across the field. WARNING! For safety, always uninstall and remove wheels before playing.