BÉIS Black Bookbag with Buckles! So much room for tons of stuff with this bag!! I used to fly Sunday to Thursday for work every week, and I could fit all I needed in here! Didn’t have this bag too long /still in good condition. A ton of pockets, zippers, a place for your laptop, attaches to roller bags on the back, a side pocket with key strap, water bottle holder, flap with buckles and side zippers for easy access even when you’re in the plane! $50 OBO