Crystal Hard Blue RUBBERIZED Cover Case for HTC EVO 4G (SPRINT) [WCS680] Hard Crystal case faceplate with soft rubberized touch. Personalize the look of your phone with this stylish and unique design. This form fitting snap-on case is designed to offer all-around external surface protection to your phone. Smart design, gives you total access to all functionality and buttons. Slim fit, does not make your phone look bulky.