ScreenGuardz is the perfect Apple iPhone 4 screen protector. It provides unmatched screen protection without changing the look and feel of your Apple iPhone 4. ScreenGuardz is designed to custom fit the Apple iPhone 4. These invisible protectors are made of an ultra-slim polymer and shield your screen from abrasive elements such as keys and dust. ScreenGuardz is the ideal accessory to go along with your Apple iPhone 4 case, cover or protector.