Acase Super Poly Shield 100 Percent Bubble Free Guaranteed Clear Screen Protector Film Mask for iPhone 4 / iPhone 4S AT&T, Verizon, Sprint Version Highly sensitivityAnti-static, dust and finger print. Fully responsiveness not interfere the sensitiveness of screen 8H Hardness TestAnti-Scratch by repetitive writing and typing. Prevent damage from impact. Bright and Vibrant DisplayHighly transparent, superior color saturation and enhances backlight performance. Pre-cut outTailored made for iPhone 4 and iPhone 4S, no need to trim or cut. Zero bubbleEasy to expel air bubbles with enclosed paper cloth.