Monos Metro Backpack Vegan Leather Carbon Black Modular 。https://monos.com/products/metro-backpack With a sleek profile and water-resistant, ultra-microfibre vegan leather, the Metro Backpack is the perfect multi-purpose companion for everyday travel – from daily commutes to weekend trips. The Metro Backpack features our unique QuickSnap™ Modular Kit System, allowing the interchangeable Metro Kit to be easily detached or swapped to suit your needs. The main compartment is optimized for streamlined packing and accessibility, with thoughtfully-designed pockets that keep all your essentials organized. A 15-inch laptop sleeve allows easy access without needing to open the whole bag, and a built-in trolley sleeve fits securely around the handle of any Monos suitcase for seamless pairing.