Zone3's Buoyancy Waterproof Phone Dry Pouch is an extremely convenient dry pouch ideal for a mobile phone and will accommodate a variety of smart phone sizes.  Ideal for keeping your phone clean and dry while you're out on the water ideal in case of emergency and well as being able to use the camera/video functions.  Fits most phones up to 6.7 inches without a protective case.

NB: It's good practice to check the dry pouch and seal/clip prior to each use. In warmer climates or if going from cold to warm environments condensation can occur.