Premium Executive Black Vertical Leather Belt Clip Carrying Pouch case for HTC Thunderbolt (Verizon)(Free Gift) Compatible with devices that are smaller than 5.51 x 3.15 x 0.49 inches. Please note that some devices will not fit in this case if you have a case on your device. In addition, if your phone is a lot smaller than the case, it will not fit securely. Please check the dimensions on your device to ensure compatiblity. Made of durable polyurethane (PU) synthetic leather.