Tempered Glass by Delcell Feature : Whole transparency, made with chemically treated, transparent tempered glass Surface hardness 8-9H, the surface of the has a hardness of 8-9H, three time stronger than reguler PETfilm, even shard objects such as knives and keys will not scratch Olephobic coating, the has an oleophobic coating that prevents fingerprints and other contaminants and makes the film easy to clean Delicate touch, the coated on the back with a strong silicone adhesive that makes installation easy and attaches the film firmly so as to not affect the touch screen sensitivity Prevent strong impact, effectife protection, when your mobile phone accidentally dropped of hit by powerful, toughened glass film can effectively prootect your screen Cleaning cloth include