OtterBox Commuter Case for BlackBerry Curve 8520 8530 Has 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 Compatible with BlackBerry Curve 8520 and 8530