This demonstration video discusses and shows the features of Pinnacle´s Endeavor Roller Backpack Bag. The Endeavor Backpack features a locking, extension handle that allows you to roll your gear instead of carrying it. There is also a top carrying handle for on-the-go situations. There are external compression straps which compress your gear for airline carry-ons. The size of this bag is 28" x 15.5" x 12" (5,208 cubic inches). For more space, you can add on the Kangaroo backpack.