Zagerz offers the OtterBox Commuter Series Case for iPhone 5/5S in Black or Blue for $10.99 with free shipping. (Search for "Commuter" to find it.) That's $4 below last month's mention and the lowest total price we've seen. (It's a current price low by a buck.) This case features two layers of protection and access to all ports, buttons, and features.
Note: The adhesive screen protector that often comes with this case is not included.
AT&T Wireless discounts a selection of cell phone and tablet cases to $5 each, as listed below. Even better, all items qualify for free shipping. That's tied with last month's mention (which featured fewer items) as among the best deals we've seen on these cases from AT&T Wireless, yielding price lows by at least $3 and as much as $20. The deals: