Poly Briefcase Messenger Book Bag, Black Zipper pocket on front. Open pocket. Mesh pocket. Adjustable shoulder strap. Velcro closure 600 Denier Poly/ PVC Backing Size: 15"W x 11.5"H x 4.5"G Strap Length: 29 to 54 in Black, Please see our other listings for Black, Royal Blue, Gray, Lime Green, Orange, Red