JanSport High Stakes Book Bag Zipper closure Material: 100% Polyster Dimension:(W)Top 30 CM/ Down 36.6 CM X(H) 45.8 CM X(D) 13.5 CM =(W)Top 11.81" / Down 14.4"X(H) 18.03"X(D) 5.31" Strap Length Approxmiately: 75.7 CM = 29.8" Outside Pocket: 1 ; Inner Pocket: 3