Aquapac Waterproof, Submersible Polyurethane (PU) Flip Phone Case for Most Clamshell Style Phones, Depth to 30ft / 10m.

Designed specifically to protect clamshell phones, use your phone as normal in the case as well as take pictures and video footage through the optical-quality LENZFLEX material at the rear of the case.

In two separate tests Aquapc's flip-phone case survived being opened and closed 10,000 times without damage. The tests were conducted by the Department of Mechanical Engineering at Imperial College London.