MAD6 is a medium/large-sized GZK pouch model, measuring 60mm long and 18.88mm wide. The center hole measures ~5mm in diameter, and the band holes measure ~5mm. MAD6 is a great choice for shooting 9mm to 11mm ammo, with 10mm steel (or lead) being right at the sweet spot.
 
For relative size references, refer to the pictured ruler (in centimeters) and steel ammo on the left side of the photo. Note that all pouches are sold in packs of three. Additionally, pouches may come in natural (tan)—as shown—or brown (not pictured), depending on leather availability. Pouch colour does not affect performance or pouch feel.