Durabiliy and Large Capacity:Made of high-quality canvas and lining polyester fabric that is rugged,water-resistant,lightweight,and easy to clean.Perfect stitching help maintain its shape well even full loaded.Large capacity can fit 15.3" laptop or tablet and all your essentials,suitable for work,daily use,student and travel.Spacious Compartments Organize Well:with 2 front outside pockets for water bottle,cellphone and keys items need quick access,and 1 big back outside pocket for ipad or magazine.with interior pocket for small belongings.Large main compartment for laptop,books,documents,cosmetics and other belongings.