Each satchel has a divider with three pockets on it as well as a pocket on the outside. Comes with a **seat belt that works** as an adjustable strap. We're sure you won't find another one like it anywhere. "oo" tire satchel with seat belt strap and snap closures. 13 3/4" x 16 3/4" X 3 3/4" Has exterior pocket and interior divider with two pockets and a place for three pens. Weighs 7 pounds. (Less than a gallon of milk.)