The BikeTek Midi Tank Bag / GPS Bag offers 8 Litres of petrol tank mounted storage and a pop-up Sat Nav / GPS holder.8 Litre midi tank bag with contoured shapingMagnetic fitting to petrol tankZip closing main compartmentFront compartment for wallet and keysPop-up Sat Nav / GPS holder with rubber cable portRain cover included to keep belongings dryThe BikeTek Midi Tank Bag / GPS Bag has a contour design with a 8 litre capacity and a pop-up Sat Nav/GPS holder with rubber cable port.Like the 'Mini tank bag', it's design is perfect for people constantly on the move - featuring a removable magnet base allowing quick and secure fixing. With a zip closure main compartment and a front compartment for wallets and keys keeping every thing organised.