3D Perfect Fit :  Full screen cover, Protects your phone screen in all direction. Protection From Scratches : Surface hardening crystal coating trestment, more effective scratch - resistance, wear resistance. Anti Static : Antistatic Glue, prevent static electricity from absorbing dust. Anti fingerprint : High quality fingerprint oil, not easy to produce fingerprints. High touch sensitivity : Smooth touch and unrivaled sensitivity. HD Hardness tempered glass : Double reinforcement, no broken edges.