Just like the Model AA except this one has a large see-through pocket in the center, perfect for a GPS unit or your music system. This center pocket is 5.5" sqaure with a 3" sqaure window. The bag measures 14” long by 7” from top to bottom with 3 other compartments including a large zippered main compartment, cell phone and utility pockets. Perfect for storage of other items such as garage door openers, sunglasses, radios, and music systems. Perfect size for the tank or your fender. Converts to fanny pack with two belt loops when away from motorcycle.