Silicon Skin Shield BLUE Rubber Soft Sleeve Cover Case for HTC HD7 HD7s (T-MOBILE) [WCM356] Soft flexi case with silicon skin touch. Made of durable, high-grade environment-friendly silicone. Provides anti-slip grip with a soft, more comfortable feeling to hold Smart design, gives you total access to all functionality and buttons. Easy to install, just snap-on to your phone.