MULTIFUNCTIONAL DESIGN: The shoulder bag is particularly designed for people in college, business, work and those who need to carry a laptop and other accessories together. It could also be used as a travel shoulder bag, even as a dslr camera bag with padded insert. CARRYING & SECURITY: Adjustable shoulder strap and Top Handle make you comfortable to carry ; Water-resistant canvas material, it'll keep your laptop and other stuffs from rain & snow. Buckles and Zip Closure ensure the bag safety; Reinforced stitching seams can be used for a longer time, not easy crack. ROOMY ORGANIZER POCKETS: Perfectly designed with various practical pockets: Front : 2 x Zipper pockets on the flap; 1 x Zipper pocket under the flap: 6 x ID holders; 2 x Deep holders; 2 x Pen holders.Side: 2 x Side pockets. Inner: 1 x Main compartment, 1 x Padded compartment for 17-17.3 inch laptops; 2 x Inner open pouch Back: 1 x Rear zipper pocket. LARGE MAIN COMPARTMENT: With zip closure, it could fit documents, 3 inch binder etc. Separated padded laptop compartment fit for 17" -17.3" Laptop / Notebook. Not fit for larger computer. Messenger bag Max Dimensions: 18.5 x 13.78 x 5.91 inch. NEW VARSION MESSENGER BAG : After receiving all customers' advice and reviews, a new version bag was designed. All zippers are more durrable and smooth, not stuck in the fabric. Besides, the front flap is equipped with buckles for safer closing, not closed by velcro.