Heavy Duty Deluxe Rolling Backpack Material: High Density polyester with water resistant coating. Backpack Dimension: 18.5" x 13" x 6" Large main compartment with dual zipper Large front pocket with Organizer Side pocket for Cell Phone and Accessories, Zippered side pocket. Durable self fabric side pocket for water bottle, fits 32oz Sports Drink Bottle. Plenty of pockets, Total of 10 external pockets for keeping evrything well organized. Sturdy padded fabric handle with metal D ring on each side for extra attachments 39" Handle length from ground to top. Adjustable padded shoulder straps with place to Store them while rolling Quick release compression strap on both sides of Backpack. Zipper front pocket with front mesh pocket attached. Front expandable pocket with buckle and small zipper pocket on Pocket flap