OtterBox Commuter Case for BlackBerry Storm 2 9550 9520 3 layers of protection A self-adhering screen protector that protects your screen from scratches and dust. A silicone skin wraps over your device providing a great feel and bump protection. A one-piece, custom molded polycarbonate shell hugs tightly around the silicone providing a smooth protective outer layer that allows the case to easily slide into your pocket or purse. Compatible with BlackBerry Storm 2 9550 9520