Tempered glass is Hype-transparent material from Japan that use high superior screen film. It use high performance environment friendly adhesive, automatic bonding, no bubble, no residuals, no tracks, and corrode no surface. With high anti-static performance, it can be washable and reusable, use time after time, anti-scratch, and anti-friction. Treat the surface with SMART process to against abrasion and scratching. The hardness is between 8h9h, can effectively prevent abrasion and UV on LCD screen, Non-corrosive adhesive, effectively take care of your loved machine. Safe and reliable that does not contain any harmful ingredient to the human body. This material applies to all kinds of mobile phones, computers and other electronics. The surface of the tempered glass has a hardness of 8-9H, three times stronger than a regular screen protector film. Even objects such as knives and keys will not scratch the tempered glass. Oleophobic Coating The Premium Tempered Glass has an oleophobic coating that prevents fingerprints and other contaminants. Sensitive Touch 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. Anti-Shatter Film If broken, the Tempered Glass breaks into small pieces that are not sharp, making it safer than other glass products. SPECIFICATIONS: Perfect to work with touch screen technology Premium Quality Anti-Scratch with a range 89H, Anti-Glare, Anti-Static, and Anti-Friction UV Protection and against abrasion Non-corrosive Adhesive Perfect fit and leaves no residue when removed Clear, Dustproof & Waterproof, Washable & Reusable, and Bubble Free This is made to protect the LCD from damage and scratches with specially processed glass that has been reinforced to increase shock absorbency. The entire surface is transparent. Whole Transparency Oleophobic Coating : An oleophobic coating that prevents fingerprints and other contaminants and makes the film easy to clean. Delicate Touch : Coated on the back with a strong silicon adhesive that makes installation easy and attaches the film firmly so as to not affect the touch screen's sensitivity.