Bag further extends our ambidextrous single shoulder sling pack family. This one is another size increment up and will fit a full letter size pad or similarly size item in the main compartment. Additional features include more organizational compartments, more PALS modular attachment points, and a hydration reservoir loop. Great for those who wants the ambidextrous capability of the LUNADA with compartment sizes similar to those of the TYPHOON. Main compartment: 13" x 9.5" x 4".