A very nice WWII US Son in Service banner here, complete with original flag pole and decorative gold tassels. Good display size at ~15" x 7.75" and constructed of felt. Some fading is present on the front of this banner and is clearly shown in photos. Slight mothing is also present at the top left corner of the banner. Single sided. 
 
A service flag or service banner is a banner that family members of those serving in the United States Armed Forces can display. The flag or banner is officially defined as a white field with a red border, with a blue star for each family member serving in the Armed Forces of the United States during any period of war or hostilities.