Montblanc Mens Messenger. SKU: 131718. Color: Blue. Size: 9.45 1.57 6.69 inches. Montblanc Sartorial Leather Messenger Bag. This messenger, crafted from ink blue Saffiano-printed leather, can be carried by hand or attached to larger bags for convenience. It features an adjustable and removable leather strap, and an open pocket in the interior compartment provides quick access to your essentials. Material: Calf-skin leather, Lining: Cotton and polyamide.