Keystone ECO WPS4S-BLK-001 IPX8 Certified Slim Waterproof Case for iPhone 4/4S - 1 Pack - Retail Packaging - Black Waterproof up to 6.6 feet/2 meters, snow proof, sand/dust proof. IPX8 Certified. Complete iPhone touch screen and call functionality Includes adjustable wrist strap for easy portability User-friendly twist lock design, no assembly required Access to all buttons