Fabrication: 900D Polyester with PU Backing Opening: Rucksack with Drawstring Closure Padded Laptop Sleeve: 15” x 10.5” x 1” Camo pattern, zipper closure, comfortable design school bag. The bookbag with padded adjustable shoulder straps and air mesh cushioned back panel can offer support and comfort, while the chest strap stabilizes the load throughout the day's activities. Ideal for hiking or for any other travels with two External Zippered Compartments, Internal Zippered Accessory Pocket Two External Zippered Compartments, Internal Zippered Accessory Pocket, YKK Zippers Dual Side Water Bottle Pockets, Padded Shoulder Straps with Mesh Backing