Hard Snap-on Shield With CARBON FIBER Design Faceplate Cover Sleeve Case for HTC SENSATION 4G (T-MOBILE) Hard Plastic Snap on case faceplate with design. 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. Easy to install, just snap-on to your phone.