Seidio BD2-HK3HEV3DX-BK DILEX Extended Case and Holster Combo for use with Seidio Innocell Batteries for HTC EVO 3D - Black Overall thickness of only 2.2 mm Interior casing made from impact absorbing polymer and exterior skeleton provides extra protection at impact points Felt-lined holster with face-in design keeps your Apple iPhone 4/4s safe Top clip allows for quick access and belt-clip swivels in up to seven directions For use with Seidio Innocell Extended Life Batteries for HTC EVO 3D