This screen protector is made of high aluminium-silicon glass material, featuring high definition display and high touch sensitivity. With a secure anti-explosion function, the film will not be broken into small pieces of sharp. The 28-degree anti-spy angle design increases security, it can effectively protect your privacy. The full-coverage design ensures seamlessly covering the whole screen of your phone to provide maximum protection. Premium high aluminium-silicon glass material,?9H hardness, super anti-scratch With 28° Anti-Peeping Technology, this privacy screen protector can effectively protect your privacy from people Ultra-clear in the vertical direction The silky smooth touch feeling also provides a sensitive response Hydrophobic oleophobic coating prevents fingerprint and oil stain Full-screen complete covering design for maximum protection Full glue to absorb mobile screen automatically, simple installation, bubble-free Note: The privacy screen protector may darken the screen slightly, so please increase your phone's display brightness by 10-20% for better viewing when using it.