Used selected glass material and with nanotechnology, excellent defensive performance and super high transparency. Special tempered glass, up to 9H hardness, super strong and durable, against burst, explosion, impacts and bumps. Nanometer thin oil coating surface, more effectively to protect from fingerprints, oil and dirt, and to filter ultraviolet ray. With anti-glare coating, makes it possible to use your phone in sunlight or in brightly lit conditions. Adopts the global advanced screen protector process technology. With advanced silicone static-cling adhesive technology, easy to apply and remove.