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. (includes instructions.) The 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. Specifications: Size: about 10.3cm(length)/4.06in, about 5cm( diameter )/1.97in Weight: about 28g Material: plastic and rubber Packing List: 1 x Windshield Repair Injector 1 x Repair Resin 3 x Adhesive Seal 1 x Pedestal 4 x Repair Film 2 x Cutter 1 x Instruction Notes: 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 cutter is required to remove components and finish repair. Do not let resin come in contact with painted surfaces.