Montblanc Westside Leather Pen Pouch with Flap 2 Slot Black The Montblanc 4810 Westside pen pouches are crafted in black cowhide leather with shiny gunmetal finish around the Montblanc emblem on the front. Fits all size Meisterstuck pens and offers an elegant and simple traveling companion to your most valuable pens. Dimensions: 2" x 7"