Today only, All4Cellular offers the OtterBox 3500 Waterproof Case for $11.99 with $2 for shipping. That's the lowest total price we could find for this case by $2. It features a 7.55" x 3.60" x 3.32" internal compartment (which is large enough for a cellphone, sunglasses, and more) and is waterproof up to 100 ft.