MontBlanc Card Case. SKU: 129711. Color: Black. Size: Width: 5cm, Height: 9cm. Montblanc Digital Graphic Leather Card Case. This card case is adorned with a digital graphic of ninja Naruto on the front, while the back showcases an image of a Meisterstuck pen drawing a Naruto symbol. This compact accessory includes slots for three credit cards and easily fits into most pockets. Material: 100% Bovine Leather. Made in Italy.