Montblanc Backpack. SKU: 220246. Color: Noisette. Size: 11.8 x 5.1 x 16.1. Montblanc Noisette M-Lock Leather Backpack. This city backpack is crafted from embossed full-grain bovine leather in a rich Noisette color, featuring the iconic Extreme 3.0 motif. The distinctive M LOCK 4810 buckle, inspired by climbing, adds a bold statement. Inside, a padded compartment fits laptops up to 13, while multiple pockets and two pen loops provide organized, seamless storage for your essentials. Material: Leather.