Dare we say this is the most affordable rack top bag in the universe. The Banjo Brothers rack top bag features 510 cubic inches of glorious storage. (14.75L x 5.5W x 6.75H). A streamlined trunk for running errands, a picnic or just a long day in the saddle. Plenty of space for extra clothes, food, and camera. The thick padding insulates snacks and protects your gear.