Montblanc Mens Messenger. SKU: 116767. Barcode: 4017941848185. Color: Black. Size: 30 cm x 25 cm x 9 cm. Montblanc Black Extreme Double Zip Messenger Bag. Montblanc's messenger bag is crafted using an innovative and highly resistant leather in a subtle, woven black carbon print. This messenger features an adjustable black nylon shoulder strap, 2 main zipper compartments, 1 zipped pocket, 2 cell phone pockets, 3 writing instrument loops, 2 additional small pockets, 1 additional large pocket.