Meet the Aeronaut 30: carry-on duffel backpack and international travel high-flyer. 3 carry methods: duffel, backpack, or shoulder bag (shoulder strap sold separately!) Five total exterior pockets: two slash pockets, two end pockets, and a generously-sized main compartment Stowable backpack straps in our always-comfortable edgeless design Zippered partitions allowing you to push into the side pockets' space and expand the main pocket as needed or keep the pockets neatly divided Comfortable grab handle on the long side of the bag for comfortable side-carry Attachment points for an optional shoulder strap such as the Tom Bihn Absolute Strap Maximum carry-on size for most regional and international airlines This bag has only been on a few trips, like new condition! No stains, tears or scuffs. Perfect carry-on bag!