Montblanc Business Bag Montblanc Extreme 2.0 Clutch 123939. 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 professionals intensely living their urban life. The bag features 1 main compartment with a two zip pullers zip, and 1 front pocket; internally: 1 zipped pocket.