RIO Dacron Fly Line Backing is a traditional Dacron braided backing that features high strength and low stretch and is unsurpassed in quality. This backing is a good compromise between thinness and the ability to make blind splice loops. RIO Dacron Fly Line Backing is easier to to knot that other brands that are very thin but have too tight a weave for blind spice looping.
RIO Fly Line Backing comes on a 100 yard spool.
RIO Dacron Fly Line Backing is made in the U.S.A.