Looking for a case for your iPhone 4? Currently on Amazon, grab an Otterbox Universal iPhone 4 Impact Case (black) for just $5.71! This ships for FREE on an order of $25 or more, or with Amazon Prime.
The list price on this is $20, so this is a heck of a deal! These do a great job of protecting your iPhone from drops and other physical damage.
Thanks, MyLitter!