Isn't this the same holster that's sold through blackberry.com (the accessory store)?? Mark's holster is the vertical style. A horizontal holster with the same hydrofoam material is also available which I have. I absolutely love it--it's so comfortable that I can wear it throughout the day. The BB fits snugly (no concerns whatsoever about it falling out), but yet easy to take out of the holster. Like Mark said, it buzzes when you get an email which shows on the screen when you take the BB out. The clip is not detachable but not bulky at all. I highly recommend this! Paid less than $20 US for it.