Ultra-Thin 0.6mm Aluminium Metal Skin Frame Bumper for HTC One M7 - Black Ultra-thin (thickness of the bumper is about 0.6 mm) Made of aluminum metal, extreme light without adding weight to your phone: 7g Protect the edges of your HTC One (M7) from scratches, dust, shock Fits Perfectly and easy access to all vital buttons or ports without removing the bumper