Professional guides are on the move, hunting, scouting, making sure their clients are in the birds. They need a bag that is portable to hold the essentials only but with enough room to do the job. The main compartment of the expandable Guide's Bag is 650 cubic inches but it has the capability to expand another 150 inches. Features DuraMax fabric Dimensions: 13'L x 5'W x 10'D Sliding FrictionLok shoulder pad Adjustable shoulder strap With metal snap hook closure Fold-over storm flap and Velcro closure Padded carry handle Seam-sealed interior 'dry bag' Zippered mesh pocket under flap Quick-release buckles Nylon zipper pull Zippered expander Expandable front pocket