OtterBox Commuter Series Hybrid Case for AT&T and Verizon iPhone 4 (Purple/White) (Doesn't support iPhone 4S)
With all of the new features the iPhone4 has to offer, you definitely want to protect it. The OtterBox Commuter Series case for iPhone 4 is what you need. With three layers of protection (including a self-adhering screen protector), worrying about scratches, bumps and shocks will be completely unnecessary. Nothing beats OtterBox cases when it comes to quality and toughness.