Features:Allows anyone to fix a damaged windshield or window.Single ingredient - eliminates mixing.Creates an invisible, undetectable repair in damaged automobile windshields or other laminated glass for windows.(Icludes instructions.)DIY windshield repair kit is designed to fill the air cavity with a strong penetrating adhesive that will bond the loose glass and restore the visibility.The patented design evacuates the air to fill the cavities with specially formulated liquid glass,that distortion and bonds the loose glass preventing the damage from spreading.Size: 10.3cm(Length) ,5cm( Diameter )Weight: 28gMaterial :Plastic & Rubberopp plastic bagwarm tipsA bottle of repair solution is only two milliliters. It is only suitable for repairing 2 to 3 coin-sized cracks. It cannot be used for large cracks. A.Before curing: Operating in ultraviolet environment is forbidden.lndoor or night operation is recommended.B.Curing: Drop a drop of repair solution on the curing film, cover the damaged area,scrape the air bubbles with a blade,move to the sun for 10-30 minutes or use ultraviolet lamp instead until curing.Note 1:Avoid using in direct sunlight-work in shaded area.Do not work on a hot windshield, park vehicle in shaded area and open for windows to cool glass surface.A safety razor is required to remove components and finsh repair.Do not let resin come in contact with painted surfaces.Tips:This product is packed in opp bags.If it causes damage during transportation, please contact us in time and we will give you a satisfactory solution. Package contents:1 x Windshield Repair Injector1 x repair resin2 x Adhesive Seal1 x Pedestal5 x repair Film1 x Razor Blade1 x Instruction Manual