Permanently repairs punctures in Road tubulars and tires thanks to the special pure latex foam contained in the mixture.* Offers 3 months of prevention* Inflates a 21 - 28" tubular up to 6,5 bar (94 psi) and a tire up to 6 bar (87 psi) - enough to get home and increase pressure with a pump* Universal Head for Presta or Schrader Valves