Roomy interior with six compartments. Dual zippered flap on the center compartment has a Velcro strip, making it easy to close when fully packed. There are two outside zippered end pockets for headsets, a zippered compartment for documents, maps, etc. and two smaller accessory compartments, one open and one with a zipper.  Dimensions: 16.1"L x 10"H x 7.5"W