An excellent value for money 4 in 1 tank bag which has a magnetic and strap retaining system. It can be used as an individual map holder, compact tank bag with built in map holder. a ruck sack or the deluxe version tank bag as shown. The total number of compartments including the map holders is 7 and all the main units zip together very easily. It is manufactured from a strong ripstop nylon with PU internal boarding and comes complete with a rain cover. The rain cover has a transparent section for reading your maps and a pull cord for added retaining security. The capacity overall is 10 Litres approximately.