https://www.youtube.com/watch?v=2qnf_60qy1q&feature=youtu. Cool tempered glass screen protector (Full 3D: covers and adheres 100% of the screen. It has an adhesive throughout the surface: not only by the edges). Protect your scratch smartphone screen, falls, blows, liquids ... its fine thickness of 0.50 mm resists extreme situations such as nailing a screw,...