Beyond Rhinestones Protector Case for Samsung Galaxy Prevail M820, 3D Butterflies Full Diamond Form-fitting front and back hard shell snap-on covers. Protects your phone without adding a lot of bulk; Snap-on cover entirely covered with rhinestones Snaps on to front edges, back and sides of the phone. Allows access to all functions; Easy snap-on installation; no disassembly is needed. Compatible with Samsung Galaxy Prevail SPH-M820