Black Cast Iron Knight Fireback - 18 x 15.75 inch 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 The matte screen protector, promises full compatibility with touchscreen sensitivity, featuring maximum protection from high impact drops, scratches, scrapes, perfect fit.