MONTBLANC BLANC BLACK 4810 142 BAG in Mont Blanc Black 4810 142 Bag. Black soft leather bag with a strap for cross-body wearing, its compact size still grants enough space for daily essentials. The main compartment features a zipped pocket inside, with an additional offset zip on the front of the bag. Metal buckles finish the look. Wear it with the detachable leather shoulder strap or tuck it under your arm.