MADE IN USA 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 CRACKS. THIS KIT IS FOR 1 REPAIR ONLY. Simple and easy to use Cost Effective repairs Prevents damage spread Restores windshield to near new condition Get the best cracked windshield repair system around only from Blue Star SHIPPING: WE WILL SHIP ( MONDAY - FRIDAY ). WE DO NOT SHIP ON HOLIDAYS THAT THE USPS IS CLOSED.