Europa Red. The 1439 is another member of the Expandable Messenger Bag family. By simply unzipping the surrounding zipper, you can actually increase the size of this bag to twice its original size. This bag comes with one zippered pocket on the flap and an open pocket on the back for the items you need quick access to when you are on the go. There is one zippered pocket underneath the flap and a main compartment with two additional pockets inside (one zippered and one open) which is large enough for your books, notebooks and CDs