Montblanc Business Bag Extreme 2.0 Document Case Medium 123932. A business bag with a contemporary yet stylish shape, conceived for the modern city dweller, the Medium Document Case boasts a new zip construction that can serve as both closure and shoulder strap. Organisation: 1 main compartment, 1 front zipped pocket; internally: 1 padded compartment for laptops up to 13" (L 33 x H 22 cm), 2 open pockets for mobile phones, 3 writing instrument loops and 1 zipped pocket.