Dimensions and package included External dimensions are approximately 17.3 x 12.6 x 2.4 inches (440 x 320 x 60 mm) Each package includes a laptop briefcase and a detachable shoulder strap for versatile carrying options right out of the box Spacious and organized Main compartment holds most laptops up to 15.6 inches Large capacity for cables, pens, notebooks, and other office essentials Keeps items neatly organized and easy to access Material and protection Made from water resistant Oxford cloth Built to withstand daily wear and tear Protects your laptop and documents from scratches and keeps electronics dry Versatile 3in1 design handles for carrying as a professional briefcase Detachable, adjustable strap to wear as a shoulder bag or crossbody bag Suitable for daily commute and business travel Use scenarios Daily office commute: fits a 15.6 inch laptop with charger, notebook, and writing tools in the organized compartments; water resistant exterior helps in light rain Business travel: easy to switch between briefcase and crossbody for airports and meetings; keeps essentials accessible and secure Client meetings and presentations: professional look with quick carry option changes; keeps documents and devices organized for ready access