I honestly didn't know about these... I had just finished writing to my Senator that I didn't vote for and wanted to tell him what I thought of him. We have one of each and I don't mean a guy and a woman.....well sort of I guess. I was looking around his website and noticed a link to purchase a flag. I was able to order a 5 X 8 foot COTTON flag and have it flown over the Capital for $4.50 more....the total was only $31.05 !!! These are ordered from several Senators and the price will vary so ya might save a couple bucks by shopping around. There are all sizes available all well as cotton or nylon. Each will be flown on a date you want, on what occasion you chose, who you wish it dedicated to and comes with a certificate . Below is a link describing the program and that has a link to the Senators.
http://www.thecapitol.net/VisitingDC/usflag.htm