Montblanc Unisex Pen Pouch. SKU: 220354. Color: Tweed Blue. Size: 1.77 x 0.71 x 6.30 inches. Montblanc Sartorial 2 Pen Pouch. A timeless accessory for business professionals and writing enthusiasts, this elegant pen pouch holds two writing instruments. Its full-grain leather construction features an overlapping design, inspired by the shape of an envelope, adding a sophisticated touch to its functionality. Material: Calfskin leather.