Features YKK zippers Duraflex plastic hardware Quick-access, shockproof laptop compartment fits under 15.6 Inch Laptop/Macbook Lay-flat main compartment for spacious storage and easy packing Side compression straps for stability and security Quick-access top pocket for small valuables Multiple internal pockets for accessories Padded top and side handles for versatile carrying Expandable water bottle pocket; Big Capacity College Book bag Backpack. Unzip the zipper on the main compartment to increase 40% capacity. Extra large college book bag backpack can easily hold notebooks for school, toiletry bag, camera bag and gear, etc. 1680D Cordura ballistic nylon exterior Padded mesh back panel for enhanced comfort and breathability Internal framesheet provides structure and support Back panel pass-through for luggage handles Dimensions 17.7 x 11.81 x 5.51--9.84 inches Suitable for 15.6inch laptop Volume 36.0 L Weight 3.7 lbs
