400 Denier Nylon. 600 Denier Polyester. Embossed Ripstop, polyester Ripstop Woven. 17 in. top loading laptop compartment. Tablet sleeve fits 10 in. tablet. Easy access pocket fits most headphones. Fully padded back panel. Ergonomic S-curve shoulder straps. Full sized organizer pocket with zippered mesh pocket. Mesh water bottle pocket. Zippered stash pocket. One large main compartment. Front external zippered pocket for cord storage. Easy to use speed pullers zippers. Web haul handle. 19.3 x 11 x 9.5 in. Black.