iPhone 4/4S Screen Protect, Speedtek TEMPERED GLASS Screen Protector for Apple iPhone 4/4S - Crystal Clear - 9H Hardness Scratch [1-Pack,0.3mm,2.5D Rounded Edges] Premium grade Japanese Asahi Tempered glass with 9H+ scratch resistant surface (almost as hard as a diamond with highest resistance at 10H) High Definition Transparency Film that ensures maximum resolution for RETINA Display Dry Application: Easy to install and remove (Bubble-Free / No Residue) TrueTouch Sensitivity for an invisible and perfect protection on touch screen Perfect cutouts on the front not to interfere with sensors or responsiveness