Carhartt Trade Series Backpack, Black 600D Polyester Rugged, durable, roomy backpack made of synthetic fabric with Rain Defender water repellent Roomy main compartment with zippered opening; zippered front pocket for smaller items; large enough for high school students books and supplies Front organization panel for pens and pencils; mesh water bottle pocket on the side; webbed haul-handle on top Adjustable padded shoulder straps; triple needle-stick construction 12w x 17.5h x 6d inches; 0.7 pounds