Durable Polycarbonate Plastic Material w/ Rubber SurfaceRubberized Sure-Grip Surface For Non-slip Firm GripProtect Your Device From Daily Scratches w/ Executive StyleSnap On Installation w/ Appropriate Openings for Ports & ButtonsRemovable Swivel Clip w/ Video Stand FunctionsAdditional Cover Knob Included While Belt Clip is RemovedSuitable Only For Samsung Galaxy S II T989 by T-Mobile