The Aquapac Waterproof Flip Phone Case is a dust proof, sand proof case that is waterproof to 16.4 feet (5.0 m). It is made from a tough flexible vinyl with a foam-padded rear for extra comfort and protection that allows you to use your phone to dial, talk and Listen normally in the case as sound and signal pass right through the case material. The case is closed using the Aquaclip plastic quick-action sealing system.