Joe&s No Flats Elite Racer&s Sealant Scientifically developed to meet the high demands of professional Mountain Bike racers Key Features Instantly seals punctures in the tread up to 6 mm Seals small slits faster & more permanently than any other sealant on the market For use in tubeless tires tubular & inner-tubes For effective puncture resistance add fresh sealant every 3-8 months Designed specifically for Tubeless Ready & converted to Tubeless tires