Zizo Hard Protector Skin Cover Shell Holster Combo Case for Nokia Lumia 521 / RM917 with Belt Clip and Kick-Stand Black Shell holster and back cover for Nokia Lumia 521 Rubberized textured case adds protection and makes gripping your phone easy Belt Clip has built in kickstand for handsfree viewing Holster clip swivels and has sturdy locking mechanism to keep your phone in place Your phone can easily be removed from holster without removing it from the case