Krypton Screen Armor Ultra Clear for iPhone 4 - 2 Pack Ensures you can clearly understand and read the materials on your iPhone 4 screen. Screen Armor material is tough as nails and you can feel confident youre getting the best Keeps your iPhone 4 slim and sleek while giving your screen the protection it deserves Keeps your screen from scratching and your iPhone 4 looking as good as the day you bought it Allows for smooth finger movement so you can navigate menus like a pro.