BuyBits Waterproof Case with 1" Ball for RAM Motorcycle Mounts for iPhone 6S Plus 5.5 Zip case for the Apple iPhone 6S Plus 5.5 smartphones with a RAM 1" ball adaptor for using with RAM motorcycle mounts. Case is supplied with 25mm / 1 inch ball connector for use with the RAM-B-201 arm series. (Note arm & mount NOT supplied) Weather resistant - protects your phone from dust, dirt, light rain showers / water splashes / damp weather. Lined zip fastening. Touch sensitive front lens. Charging cable access. Internal support pads. Includes the 25mm / 1 inch ball adaptor.