Practical tool: Windshield repair kit is able to repair cracks/chips on windscreens of professional quality without mixing restorations.QUICK FIX TOOL: The windshield repair kit ensures professional DIY repair of crack/chip repairs on the windscreen, no further mixing requiRed. It can maintain a long-term maintenance effect, prevent the spread of damage and bring the windscreen quickly and again to new condition. Effectively repair small cracks and chips in just 20-30 minutes.Wide range of applications: you can use the vehicle glass repair kit for most types of outer glass, perfect for small chips, cobwebs, stars, crescent moons, cracks up to 12 inches / 30 circular damage from centimetres and circular damage up to 1 inch diameter (note: not suitable for mobile phone display)Easy to use: the glass repair kit is easy to use. Clean and dry the surface of the windscreen first. Secondly, the resin is pressed into the crack and placed on the cuRed film, then dry quickly and cure under UV light for 5-10 minutes. Finally, scratch off any resin residue with a spatula.Safety comes first: please avoid contact with skin and eyes. In case of contact with skin, wash thoroughly with soap and water, rinse with water for 15 minutes and seek medical advice. If swallowed, consult a doctor.