Features: Main compartment 15.5” x 4” x 11”, large enough to hold a laptop with a 15.4” screen. The interior has divided pockets and foam padding to protect all objects held inside the case. The case has a waterproof, non-slip, rubberized bottom for safety and stability. The exterior side pockets can be used to hold a radio, SAT phones or a hand held GPS. Divided interior for organization and customization and also features an external I.D. pocket for personal identification.