Here is the description on Daytonagear.com
The "GB" Model - $55.00 (Retail)
The “GB” model is designed to carry your personal defense weapon. The main zippered pocket, which includes a removable holster, measures 9 inches long by 5 1/2 inches from top to bottom. The front zippered pocket is 8 inches by 4 1/2 inches and has another 2 smaller zippered pockets on the front. The Velcro holster can be placed in any position desired. Pleas observe all local gun laws.
My Glock fits perfect but I'm a little uncomfortable with the idea of magnets against my tank, even if they are sewn in lamb's skin leather.
But for 30 bucks