Interactive and trend-setting the OtterBox Commuter Series for iPhone 3G/3GS includes 3 slender yet sturdy layers to safeguard your precious smartphone. First a self-adhering clear film protects your touch screen from scratches. Second is a soft silicone skin that wraps around your device. Finally a one-piece custom molded polycarbonate shell hugs tightly around the silicone. While in the case all functions of the iPhone remain fully intact. Plus the silicone plugs provide access to all ports while keeping out dust and debris when not in use. This case was designed to slide easily in and out of your pocket or purse.