Black Arm Mourning Band also known as the mourning brassard. The band consists of plain black elastic material. worn on the left arm above the elbow at the discretion of the wearer when actually present at a funeral, or en route to or from the funeral. Arm Mourning Bands are frequently worn on uniformed members of a team or organization to honor a deacesed member of the group. This Arm mourning band from www.mourningbands.org is sewn made with 2 Inch eleastic that stretches to fit arms from 12 to 22 inches.