Attaches easily to the gas tank with super-powerful magnets, but detaches quickly for ultimate portability and off-bike carrying options, including a shoulder strap/backpack system and soft webbing handle. External features include a bungee style attached map case and protective, non-slip bag base. Smooth coil zippers allow access to the roomy interior, which includes a key-holder and inner pocket for storing items needing quick access. 14"×9"×5.5". Black.