OtterBox 2000-20 WaterProof Universal Case - Black (Discontinued by Manufacturer) Large-sized waterproof, crushproof and watertight case in black made of highly durable ABS plastic Great for carrying GPS units, mobile phones, cameras, and gaming devices, car keys, credit cards, and more Patented drybox design can withstand submersions up to 100 feet; adjustable lanyard Internal storage area measures 5.76 x 3.14 by 0.98 inches External dimensions: 6.86 x 4.57 x 1.83 inches