Made Of 840D Polyester, 210D PVC Lining, Detachable/Adjustable Padded Shoulder Strap And Web Carrying Handles With Comfort Grip, 2 Double Zippered Main Compartments, Including Padded Pocket For Laptop And Tablet, Expansion Zipper Provides 2 ½" Of Additional Space, Large Double Zippered Front Compartment With Inside And Outside Zippered Pockets And Lots Of Compartments For Accessories. And more!