Gorilla guards essential screen guards are the ultimate protection for your precious device. Made of Premium Quality Anti-Static and Anti-Friction UV Protection and against abrasion Non-corrosive Adhesive Perfect fit and leaves no residue when removed. This is made to protect the LCD from damage and scratches with special process that has been reinforced to increase shock absorbency. Surface hardness : 9H 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. Screen Protector has high transparency and the color never changes but it is breakable if not handled properly. The product is environmentally friendly and pollution-free Ultra-thin glass.