Description: •Do not use it on your phone screen,it is just fit to car window. •Do not do the repair operation in direct sunlight to avoid the resin curdles before full filling the crack. •Do not work on a hot windshield or a rainy day, park vehicle in shaded area and open for windows to cool glass surface. •A safety razor is needed to remove components and finsh repair. • The options for Star Damage should only be used on bulls-eye, spider web, star damages, and some combination breaks smaller than 1 inch (25 mm) in diameter. This kit will not repair surface pits larger than or cracks longer than 3/16 inch (5 mm). • If the damage(s) are in the Driver's Primary Viewing Area,owners should have their windshield inspected by a professional glass repair technician to determine whether the windshield should be repaired or replaced. • if the Crack is too long or wide to repair via 1 piece repair resin set ,it is recommend to buy the option'' Resin only '' together. Features: 1. Fracture repair liquid air can penetrate the barrier, with the vacuum function we can quickly remove cracks in the air. 2. Reinforced injection sealant dispensing head, can produce a strong pressure will repair fluid forced into the cracks. 3. Import repair solution for maximum strength and skill to reach the surface before 25PA. Specifications: Package size: 220 x 110 x 25mm/8.66 x 4.33 x 0.98" Features: Easy to use - takes only minutes Repairs all types of laminated windshields Minimizes the appearance of chips and cracks and stops them from spreading Advanced resin formula Good for multiple repairs Package Included: 1 x repair resin 1 x repair device 5 x curing strips 1 x sleeved razor blade 1 x instruction sheet 1 x retail packing