Use this convenient pocket to hold books, school supplies or tech storage for instant access right at a student's seat. Instantly hang the Side Sack from a desk with a side arm. With its convenient hook-and-loop closure, Side Sack can easily and securely attach to any sidearm desk. Hanging desk pocket keeps essential school supplies like notebooks, markers, tablets, dictionaries, colored pencils and other school supplies organized and off the floor. Side Sack is machine-washable.