The product that started the tubeless revolution and is trusted the world over \n Seals punctures instantly, virtually eliminating flats \n The sealant is a premium thin, low viscosity liquid that coats the inside of the tire sealing punctures up to ¼" \n Stays liquid in a mountain tire for 27 months on average for lasting protection \n Sealant can be injected via removable valve core with the injection syringe and is compatible with tubes and tubular tires \n Nonhazardous, noncorrosive, and nontoxic with natural latex \n Made in the USA