Based on the industry-defining Mag Bino case, the Bino Mag 2 improves upon what many called the perfect design. Increased versatility, including side and bottom accessory attachment points, and a stay-open magnetic closure design enhance a timeless Badlands favorite. They say dont mess with a classic but we just cant help ourselves. After all, what do they know? Bottom or Rear Holster Compatible - additional hardware necessary through Venandi (Rear) or Razco (Bottom) Holsters Bino Connect Compatible (requires optional Bino Connect Kit) Sizes: HxWxD SMALL = 6.125 x 5 x 2.75 MEDIUM = 7.25 x 6 x 3 LARGE = 8.25 x 6.5 x 3 (All measurements recorded in inches and with eyecups down.)