Montblanc City Bag My Montblanc Nightflight Envelope 118254. Conceived for the modern globe trotter, My Montblanc Nightflight offers a way to travel both lightly and stylishly. The Envelope offers a roomy compartment for personal belongings. It features several interior and exterior pockets, one of which is equipped with Montblanc shield technology (RFID blocking lining). It can be personalised with initials to be embossed on the black, blue or red name tags included with the bag.