go to LR target shooting.com and they have a post there with source.
"I got a call this morning from fellow shooter Jim Starr. Jim is the Range Flag Maker from Colorado...He asked me to post his correct web address....It is firstname.lastname@example.org
If you want to call his phone number is, 1-303-466-2525.......Jim and his junior shooters make the finest range flags around...Jim makes the flags we use at the Whittington Center, and many other ranges, they are of the finest materials and workmanship...The flags measure 48" by 18" at the tips and 12 feet in length, they are red and yellow in color, and made of "uncoated 200 Denier flag fabric...They cost $22.95....Delivered....I bought six for our club range. These flags are Very Nice...Jim has flags in stock and he's tooling up to make another run of 90 flags...Spread the word......Regards......Mark Barnes... "
The VA 1k club uses this guy. Price is right and quick shipping. They will make them in the military all red also