3M Privacy Screen Protector for Apple iPhone 4/4S Portrait Use your mobile device in public without revealing confidential information to people on either side You'll see the information on your display while people on either side only see a darkened screen Custom fit to your Apple iPhone 4/4S Privacy in portrait; change device orientation to share Dry application Matte surface reduces screen glare Stay-clean edge technology prevents dust and grime from collecting on the edges of screen protector Protects display from dirt, debris and scratches