ZAGG InvisibleShield Glass Elite The InvisibleShield Glass Elite has anti-bacterial technology that kills up to 99.99 of the most common surface bacteria. Ion exchange technology increases its strength and durability while ClearPrint makes fingerprints disappear from the screen.160 Product Features Antibacterial properties kill 99.99 of the most common surface bacteria ClearPrint technology exclusive to InvisibleShield makes fingerprints virtually invisible Ion exchange technology increases surface compression for increased hardness and scratch-resistance The surface has the same smooth silky feel as the phone8217s original screen