144" Cargo bag is as versatile as the rack it goes in. This bag comes with dual storage locations. One smaller location up front with its own access lid to hold all items that my be to small or damaged in large compartment. Secondly, the large compartment boasting room for the largest of amentities needed to enjoy work or play on your ride. The tunnel bag utilized a compression molded lid to keep mousture from sitting on top of the bag.