MONO Classic FlyBy Backpack with Break-away Laptop Bag 。With a sleek profile and water-resistant nylon twill with vegan leather details, the Metro Backpack is the perfect multi-purpose companion for everyday travel – from daily commutes to weekend trips. The Metro Backpack features a 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 suitcase for seamless pairing. SPECS Metro Backpack (without Metro Kit) Exterior measurements: 11.5\" × 16.5\" × 6\" Weight: 2.4 lb (nylon) / 3 lb (vegan leather) Volume: 18 L Metro Classic Kit Exterior measurements: 8.75\" × 6.75\" × 2\" Weight: 0.6 lb