A dealmac exclusive! Today only, Tanga offers the OtterBox Commuter Series Case for iPhone 4 / 4S in Black for $12.99. Coupon code "DEALNEWS" trims it to $11.99. With $3.99 for shipping, it's $3 under the lowest total price we could find for any color elsewhere today. This case features two layers of protection and an adhesive screen protector.