Manhattan Portage Wallstreeter W Back Zipper, Black, One Size Main compartment with one zippered pocket and a divider Back pocket can be unzipped and used to attach bag to piece of rolling luggage Fully expandable with a zipper that goes around, allowing the width to be doubled Two large pockets with clasp closure underneath the flap. One zippered pocket on the flap for items one wants handy. One open pocket on the back for magazine or newspaper. 2 inch wide adjustable nylon webbing shoulder strap. Double buckle closure. Water resistant coating 16x11x3.5 (6.5 expanded)