Montblanc Sartorial Business Card Holder Trifold Black 129117. Made from Saffiano leather print, this business card holder is an elegant yet functional all-in-one pocket accessory, featuring 7 card slots, a banknote compartment and additional pocket that make it practical, while its compact size means it slips easily into most pockets. A press stud ensures that the business card holder stays closed and it can be carried comfortably with a neck strap (sold separately) thanks to an external ring.