Premium Tempered Glass for Samsung Galaxy Grand Max with free shipping. 9H Hardness HD Screen Finger Print Resistant 2.5D Rounded Edge Oleo phobic Coating A tempered glass protector is a multi-layered screen protector. Tempered glass is up to five times stronger than normal glass. 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 would. Generally, tempered glass screen protectors are generally easier to put on your phone than plastic screen protectors.