AT&T offers the OtterBox 1000 Waterproof Case in Black for $5 with free shipping. That's $2 under our mention from over a year ago and the lowest total price we've seen for this case. (It's a current low by $5.) This floating case is waterproof (up to 100 feet) and impact-resistant. It measures 4.8" x 3.6" x 1.6" on the outside and 3.7" x 2.3" x 1" on the inside.