Fast Repair - The windshield repair kit can quickly and easily repair small cracks chips only in 20-30 minutes. prevents damage from spreading Restores windshield to near new condition. Long-lasting maintenance effect. Easy to Operate - Windshield chip repair kit is easy to use, first, Clean and dry the windshield glass surface and then squeeze the resin into the cracks. then put on the cured film , then quickly dry and solidify under ultraviolet light 5-10 mins. It is to scrape off the residual resin with a spatula. Prefect design - Professional quality Do-It-Yourself repair windshield cracks/chips. designed with a reinforced injection sealant dispensing head, Advanced resin formula, can produce a strong pressure. and it have vacuum function to quickly remove air from the crack. can helps you minimize the appearance to achieve better repair effects. Widely Use - This windshield glass repair tools kit is suitable for repairs all types of laminated windscreen chips and cracks, such as bugs, cobwebs, bulls-eye, half-moon cracks , star-shaped damage and combination damage less than 1 in. (25 mm) in diameter. Safe & Warranty - The windshield crack repair kit, All material without chemicals or toxic material. If there are any quality-related issues with the item, please feel free to contact us, we can provide technical support when you need.