General Spec Function anti-scratch,anti-dust,anti-finger print,anti-glare Compatibility iPhone 4G Others a cleaning cloth included a mini tool card included for air bubble free Features ScreenGuardz is the perfect Apple iPhone 4 screen protector. Provide unmatched screen protection without changing the look and feel of your iPhone 4. Includes cleaning cloth and squeegee card.   These invisible protectors are made of an ultra-slim polymer and shield your screen from abrasive elements such as keys and dust. Keeps screen free of scratches,dirt and dust.