"Blackberry 8300 Holster. The locking mechanism ensures that your device is held securely in the holster at all times. Sleep Mode - designed to conserve battery life, embedded with the Blackberry sleeper switch technology, this holster will activate power saving options when your device is inserted. It also means you can choose different notification settings (ring, vibrate or both) based on whether your handheld is in or out of this convenient holster. Interior velvet lining helps reduce friction from repeated use. 360 degree roating clip with 24 different locking positions." Case Pack 10