FlipSmartGuard Edge To Edge Tempered Glass for Samsung Galaxy M21  (Pack of 1)

High quality privacy film in portrait viewing modes. Screen is only visible to persons directly in front of screen Dust-free, fingerprint-free, one-push super easy installation, bubble free Extremely high hardness: resists scratches up to 9H (harder than a knife) TOUCH SCREEN ACCURACY: Real touch sensitivity for a natural feel that provides flawless touch screen accuracy WATER POLLUTION ANTI-FINGERPRINT: the surface is easy to sparse features, easy to buildup of liquid dirt, it can be well separated from the surface of the residue, a wipe and clean.