MontBlanc Unisex Belt Bag. SKU: 129697. Color: Black. Size: 9.8 x 1.7 x 5.9. Montblanc Meisterstuck Selection Soft Leather Belt Bag In Black. Made from calfskin leather, the belt bag features a top zip fastening, palladium hardware, 1 front pocket, a main compartment, adjustable shoulder strap and detail with the Montblanc emblem on front.