The black i5 Dri Cat Neck it Waterproof Case with Lanyard for iPhone 5 from EK USA is a silicone and polycarbonate shell submersible to 18'. The case clamps shut and is sealed with an interior o-ring gasket. Make or receive calls, text, take photos and videos, or listen to music while you're in the water. The removable lanyard has a quick-release. It should be noted that you cannot use waterproof headphones while in the water since all the ports on the case are sealed.