Premium - HTC Sensation 4G 2 in 1 hybrid silicon case purple/yellow - Faceplate - Case - Snap On - Perfect Fit Guaranteed This form fitting snap-on case is designed to offer all-around external surface protection to your phone Simply snap on the cell phone. Your cell phone will have a brand new look. It molds perfectly to device's shape to highlight its beauty Smart design, gives you total access to all functionality and buttons.