Blue Star's Advanced Method for Do It Yourself Windshield Repair Kits contains a special deep penetrating resin requiring sunlight to cure. It will prevent stone damage from spreading avoiding windshield replacement. NOT RECOMMENDED FOR LINEAR OR SPIDER CRACKSRepair Stone Damage Clear Permanent Repair, Simple and easy to use Cost Effective repairsPrevent Wiper Blade Streaking Restores windshield to near new conditionGet the best cracked windshield repair system around only from Blue StarFREE SHIPPING MADE IN USA

3 Pack Blue-Star Fix Your Windshield Do It Yourself Windshield Repair Kits, Glass Repair KIT Stone Damage CHIP Model # 777 Prevent Stone Damage from Spreading Made in USA