Create an aisle or line where there was none before. Somtimes this is called a crowd barrier, or a crowd controller. Whatever you call it, it's great idea during the holiday season to keep order in front of your check out counter.Sold as a set of 2, these stanchions have a retractable 3" x 7 ft. nylon belt. Join several sets together for a longer aisle or line. Measures 39" high. Black.