Coated on the surface of the car can form a film, waterproof and , keep your car clean and from stains. Seep into cracks, The film forms a plugging leak crack, A film is formed on the surface, Seal the space of ceramic tiles Invisible and waterproof, you can't see that it has been repaired even if it is painted on the crack. Net content: 30ml Uses: car crystal plating, crack water seepage, window sill seepage, toilet seepage, wall seepage, roof seepage, exterior wall seepage colour:Grey Material:Methyl silicate size:99 x 24mm(Single bottle) Package Contents: 3 bottles x water repellent Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.