This is a High quality Anti-Glare & Anti-Fingerprint Temper glass. Precise laser cut for best fit and easy installation. Made from superior quality 3-layer film engineered to reduce glare and resist fingerprints/smudges. Protects your screen from daily scratches, dust, scrapes, and normal signs of wear. Attaches smoothly with a self-adhering surface and leaves no residue when removed. The smoothness and clarity of the tempered glass makes the screen protector feel more like your actual smart phone screen than a plastic screen cover. These screen covers can withstand a lot of heat that may emanate from keeping the phone in a pocket that gets heated by the body, without undergoing thermal expansion. This is a property that makes is better than plastics and other forms of screen protectors, which easily undergo thermal expansion and damage. Because the glass does not heat up, the adhesive keeps to the surface even when heated. would. Generally, tempered glass screen protectors are generally easier to put on your phone than plastic screen protectors.