yalecordage.com is the website - but they don't sell direct. A google search will show plenty of places that do.<br><br>http://www.boatus-store.com/browse/item.asp?IID=48184 was selling certain colors and sizes at 9 cents a foot on clearance. That's a HUGE savings.<br><br>If by flyline, you mean flycasting - I haven't tried it but I think it wouldn't do very well as a flyline. Even the smallest size is several times larger than, say, a 6 wt line so there would probably be too much air resistence to cast. <br><br>Of course, in a survival situation you could use it to float a fly, I would think.