Show Your Colors! Great for vehicles with retractable antennas or if you are concerned about damaging any antennas. Made of polyester cloth, each U.S. flag is 11" tall x 13" wide and sewn on a white sleeve which is attached to a 20" tall durable white plastic staff with molded clip. Staff is designed to easily attach to any car or truck window. Since staff is clipped to a window, it is difficult to steal the staff. Sold in packs of a dozen (12).