F.Dorla 9h Strong Hardness Anti-scratch Privacy Anti-spy Tempered Glass Screen Protector for Samsung Galaxy S4(samsung Galaxy S4) Makes your phone screen only visible to persons directly in front of screen Extra Sensitive Touch ScreenNever any air bubbles 180 Degree Privacy Glass with the protection of 9H Tempered Glass 9H Surface hardness / 3 x Stronger than regular PET Film Anti-fingerprint, grease, dirt & shatterproof glass protector