Item detailed information: Stops The Spread of Chips and Cracks – Rain-X Windshield Repair Kit Helps You Minimize The Appearance And Stop The Spread Of Chips And Cracks In Your Windshield .Fit Type: Universal Fit Easy To Use – Everything You Need Is Included, Takes Only Minutes With Minimal Steps. For Cracks Simply Apply Resin To Crack Then Curing Strips, Move Windshield Into Direct Sunlight And Remove Excess. Good for multiple repairs Durable Resin Formula – Use Durable Resin To Make Windshields Stronger Than Before, Repairing All Types Of Laminated Windshields Up To First Layer Of Windshield Glass For Best Results – Repairs Should Be Made As Soon As Possible After The Damage Occurs And Before The Break Has Had A Chance To Be Contaminated By Dirt Or Water Pro-Tip To Avoid Poor Results – Refrain From Applying Resin Too Quickly, Air Pockets Forming During The Repair Or Repairing On A Contaminated Crack As This May Compromise Your Results Rain-X Windshield Repair Kit helps you minimize the appearance and stop the spread of chips and cracks in your windshield. It removes air from the break, fills it with durable resin and makes it even stronger than before. For best results, repairs should be made as soon as possible after the damage occurs and before the break is contaminated by dirt or water. In addition, avoid the use of glass treatments after the crack has formed and prior to repair. However, glass treatments can be applied one (1) week after repair. The kit works best on round damage not more than one inch in diameter, and cracks not longer than 12 inches. It will not repair damage to more than one layer of glass. Free Shipping: within the 48 U.S. statesShipment only to the lower 48 states. We do NOT ship to PO Boxes Returns: We offer a 30 day return policy from the receiving date. All items purchased must be returned in the same condition as they were delivered in. Items defective upon receipt must be packaged in their retail packaging as if new and returned with a detailed description of the problem.