waterproof 1680D oxford fabric,optional use(tank bag/backpack),powerful magnet system,PVC bag for map,hole for phone connection 1680 D polyster (PVC coating), PVC transparent may pocket, grey leather at each sides, 4 strong magnets, mesh fabric pocket inside. Front: With PVC map pocket Side: With grey plastic material and side pocket as well as hole for the connection of MP4 or mobile phone. Back ...