Windshield Repair Kit for stone damage contains a special deep penetrating resin requiring sunlight to cure It will prevent stone damage from spreading avoiding windshield replacementFeatures. 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. It will prevent stone damage from spreading avoiding windshield replacement. Our professional resin formula will repair stone damage fast using the suns UV lightSpecification. Dimension 3.75 L x 7.5 H x 1.38 W. Weight 3 oz