KROSER 17.3 Inch Laptop Computer Briefcase, Water-Repellent Messenger Bag. COMPARTMENT: Designed with large-capacity independent compartments, this laptop bag provides classified storage space for 17.3-inch laptop, iPad, files, wallet, notebooks and daily essentials. The thick padded laptop pocket cushions accidental bumps and shocks, delivering solid protection for your laptop during daily carrying and outdoor use. EXPANDABLE CAPACITY: The expansion zipper will extend the main compartment space greatly, in which there will be more space for your clothing and files. COMFORTABLE & COMPATIBLE DESIGN: Removable and adjustable padded shoulder strap and sturdy PU handles assure you comfort carrying for a long time. GREAT CONVENIENCE: A well-knitted luggage strap is quite easy to fix the laptop bag on the trolley of your luggage, making your journey and business traveling more convenient.