Link: Otterbox Defender case for iPhone 4 Right now Amazon has the OtterBox Defender Case for the iPhone 4 on sale for $19.84. It's out of stock, but available for backorder. This is 60% off its regular price of 49.95. If you don't mind waiting, then pick one up. It's a great case. You'll have to spend $5.16 on fillers for Free Super Saver Shipping or free shipping if you have Amazon Prime.