Freemason Officer Apron. Individual Apron. This is your standard blue lodge Economy Masonic officer apron. It is a Macoy favorite for blue lodges all over the world. 13 x 15 inches only. Emblems machine embroidered on body of aprons with eye-on flap. Royal blue trim and embroidery. Officer emblem include Worshipful Master, SR & Jr Warden, Sr & Jr Deacon, Sr & Jr Steward, Secretary, Treasurer, Tyler, and Chaplain.