The medium FlightLine flight bag is ideal for the pilot who has a lot to carry but doesn't have a lot of space. This bag is highly padded and made of durable nylon and sturdy construction. 12 convenient pockets including 4 double-stitched zipper compartments. The main compartment measures 10" tall x 12-1/2" long & 6-3/4" wide has a tough plastic removable bottom insert with one nylon/velcro omni-adjustable dividing panel for ultimate customization. The handle is made of one heavy-duty nylon strap, which is sewn into the bag and doubles as reinforcement as it wraps under the bag to the other side. Convenient double zippers are on all 3 large outer compartments. There is also a smaller single zipper pocket, which shares one end of the bag with a mesh pouch with elastic top to hold your belongings securely. A large side pocket, which will hold a handheld transceiver with room to spare, is secured with a Velcro fastening flap. 2 large 13" x 10" compartments on front and back are designed for charts, log books, pens, flight computer, etc. One of which has a handy mesh pocket on the outside for easy to find access to charts or other essentials. Handy adjustable removable nylon shoulder strap. Incredible 3-year warranty. Destined to become one of your favorite pieces of flight gear.