Our screen protector is made from the best material import from Japan. This is not a 'one-size-fits-all' solution, we designed and pre-cut to fit each device in San Francisco. Each screen Protector will MATCH its screen shape and cover the FULL screen, not just the picture area, there will be no cutting or trimming is required. Does not interfere with a touch display and writing surface, gives pleasant feel and excellent character recognition. Easy to instal, just follow the instruction to apply. comes with cleaning cloth. It is self-adhering to the screen surface. It will leaves no sticky residue if you decide to remove it later. Satisfaction guaranteed!