Waterproof Case & 1" Ball fits RAM Motorcycle Arms Mounts for HTC Desire 816 (sku 19906) IPX4 Neoprene waterproof zip case holder with 1" ball fits RAM & Ultimate Addons Mounts / Arms. Cuitable for the HTC Desire 816 IPX4 standard - for general use, protects from water splashes / light rain showers, damp, dust & dirt. Supplied with a 1" (25mm) ball adapter Case has touch sensitive front lens which allows you to access your phone while it's in the case. Double Zipper access. Adaptor is removable.