Our Glass Repair Kit contain isopropyl alcohol, propanediol butyl ether and lauryl ether 7. It can repair the cracks, stone impact marks and other damage on the windproof glass, so that the glass can restore the original beauty and strength, and reduce safety hazards. Its use is simple: Clean the area around the damaged glass, cut the cured film with a blade according to the broken length, apply the repair solution along the damaged area of the glass crack and quickly cover with the cured film, press out the bubbles between the glass and the cured film, move the car to direct sunlight for 10-30 minutes or use ultraviolet lamp instead of curing until curing, then tear off the cured film and scrape off the excess colloids. The ingredients of this product are safe, no harm to the human body, so that you are more assured when using, the repaired glass surface is smooth and smooth, and can maintain the repair effect for a long time.