EZstation Solid Gel TPU Case for Apple iPhone 4S or 4 (AT&T, Sprint, T-Mobile, Verizon, U.S. Cellular). GLOSSY TPU SILICONE "CLEAR" IPHONE 4S / 4 GEL BACK CASE COVER Made of a strong, durable, flexible TPU Silicone gel material Cyrstal Clear TPU Gel Case, Unlike any standard silicone case. Smooth Surface Transparent See-Thru Case for iPhone 4 / 4S Features a shiny, glossy, smooth finish Unique and stylish design