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 depth to be doubled One zippered pocket with zipper closure underneath the flap One zippered pocket on the flap for items one wants handy Pocket on back can be used to carry flat items 2' wide adjustable nylon webbing shoulder strap Double buckle closure Water resistant coating