This is a Flashbang Holsters Women's Holster known as the Marilyn Holster, model 9280-BG380-10.
Designed to be worn on the side of the bra and drawn through the neckline of a dress or blouse" The Marilyn is very distinctly feminine. Dresses and exercise attire pose a great deal of difficulty when carrying a firearm" and this holster offers a solution that is both secure and accessible. It works equally well with a standard bra or a sports bra.
Features:
The Marilyn comes with a Long/XL strap set that will accommodate bra bands up to 5 wide;Right hand;Fits S&W Bodyguard 380