Montblanc Extreme 2.0 Business Card Holder With View Pocket 128615. With its bold blue and black colour, plain leather inside and leather with carbon-fibre print motif outside, the business card holder is thought for young urban businessmen to keep their credit cards and business cards. It features a compartment for business cards, 1 slot for credit cards, 1 view pocket and 1 additional flat pocket. The Montblanc shield technology, RFID blocking lining completes the style.