Ooki (Tm) 3 Piece High Impact Hybrid Case for Samsung Galaxy S4 I9500 At & T, T-mobile, Sprint (Blue Cross Tribal) Form-fitting front and back hard plastic covers Snaps on to the front edges, sides and back of the phone Protects your cell phone without adding a lot of bulk Allows access to all functions Compatible with Samsung Galaxy S4 SIV S IV (All Carriers).