Montblanc Business Bag Montblanc Extreme 2.0 Medium Pouch 123934. With its bold black colour, the combination of plain and carbon fibre print motif leather and matt black metal fittings, this bag is the ideal companion for young professionals intensely living their urban life. The Medium Pouch completes the line, offering a contemporary carry me shape; it can be worn in two different ways thanks to the detachable wrist strap and features 1 main compartment, 2 open pockets for mobile phones and 2 writing instrument loops.