In testing, both versions of DryCase performed in very much the same way. Because of the position of the headphone plug, it took a little bit of maneuvering to get the devices situated properly—in fact, the iPad only fit when pushed all the way up against the left hand side of the bag. Clips at the top ensured an airtight seal. Once everything was in place we used the pump to remove the air, while making sure that the plastic case was flat to…