The Dri Cat is a 100% waterproof iPhone 4/4S case with lanyard or carabiner clip. The Dri Cat unlike other waterproof cases is easy to use and allows your device to be fully functional; simply place your device in the waterproof shell and clamp shut. The unique silicone shield allows you to take photos, shoot video, make calls or listen to music all while your phone is secured in the protective case.