It has high transmittance up to 95% to show the clear image of the LCD screen. The hardness rating of its surface is up to 9H. Multiple layers of protective material shield your display from dirt, scratches, sweat, smears and light impact. The shatter-proof glass blocks UV rays while allowing visible light in. The surface of the protector is also against water, oil and fingerprints. Designed with 2.5D round edges, the protector provides a very comfortable and smooth surface to grip, helping prevent the edges from scratching your fingers during installation. The glass protector is easy to install without trapping any air bubbles, and is just as simple to remove. Its static adhesion method leaves no sticky residue behind your screen. Free cleaning tools including wet wipe, microfiber cloth and dust-absorber supplied in the package are used to clean the display before or after installation.