The success of the original Bino X led us to create an upgraded version in multiple sizes that goes above and beyond its predecessor. In other words, can lightning strike twice? As long as were not in the woods, we hope so. Roomy, full of luxurious features and highly functional, the Bino X2 is as sweet as Grand-dads El Dorado. Size: Interior HxWxD SMALL = 6.125 x 5 x 2.75 MEDIUM = 7.25 x 5.5 x 3 LARGE = 8.25 x 6.5 x 3 Bottom or Rear Holster Compatible - additional hardware necessary through Venandi (Rear) or Razco (Bottom) Holsters Bino Connect Compatible (requires optional Bino Connect Kit)