Marval Power Black Full Cover 3D Tempered Glass Screen Protector for Samsung Galaxy Note Edge N9150 The surface of the tempered glass has a hardness of 8-9H and 0.3mm thick, three times stronger than a regular screen protector film. Even objects such as knives and keys will not scratch the tempered glass. The tempered glass screen protector has a strong adhesive that makes installation easy and attaches the film firmly so as to not affect the touch screen's sensitivity 100% brand new and high quality Retina and HD SuperAMOLED compatible high quality screen protector for Samsung Galaxy Note Edge N9150