Deluxe Portfolio Messenger Bag Bookpack, Black by Bags for Less Zipper pocket on front. Inside pocket under flap. Mesh pocket Heavy duty zipper. Adjustable shoulder strap. Material: 600 Denier Poly Ripstop with PVC Backing Size: 15.5 "W x 12.5" H x 6 "G Strap Length: 27 to 49.5 in Black Please see our other listings for Black, Navy, Royal Blue, Light Grey,