DynaplugA(R) tubeless tire repair plugs are constructed from viscoelastic rubber impregnated cord and non-abrasive brass tip. The plugs are specially designed to be inserted directly into a puncture. A repair can last the life of your tire if installed correctly. No Sealant required!Only for use with DynaplugA(R) Air, Racer, Megapill, Megaplugger and Micro Pro/Pill.Included:5 - Tubeless tire repair plugs Dynaplug Repair Plugs Tubeless Patch Kit UPC: 852975001670