Montblanc Unisex Pen Pouch. SKU: 220251. Color: Black. Size: 1.97" x 0.79" x 6.30". Montblanc Extreme 3.0 1 Leather Pen Pouch. Crafted from full-grain leather embossed with the iconic Extreme 3.0 motif, this pen pouch offers a stylish and secure way to carry or store your favorite writing instrument. Designed to fit one pen the size of a Meisterstuck Classique or LeGrand, it features a secure zip closure with a nib-shaped puller and is elegantly finished with the Montblanc emblem. Material: Leather.