The unique of the tire is the high penetrability,multiple holes can be repaired at once, vacuum tire around 6 mm holes all can be filled, it has anticorrosive, antirust functions and so on.And strengthen the tightness between tire and rim,form a strong film in tire,there are tire protection role. To have inner tube of bicycle, electric cars, at the same time can achieve prevent leakage and improve the effect of air tightness,and can automatically repair 1-2 mm holes.Fill this product before in a flat, puncture-proof effect is better.