Montblanc Business Bag Montblanc Extreme 2.0 Small Backpack 123937. With its bold black colour, the combination of plain and carbon fibre print motif leather and matt black metal fittings, the bag is the ideal companion for young urban explorers intensely living their daily life. The Small Backpack features 3 main internal compartments: 1 padded laptop compartment, 2 mobile phone pockets, 1 padded open pocket, 1 zipped pocket, 3 writing instrument loops.