Fly Line Backing in the 30lb strength and the color is black from our friends at Scientific Anglers. Standard Dacron Backing is built with advanced 3M
Premium backing for all fly fishing applications. — Red's Fly Shop
RIO 30 lb Fly Line Backing 300 Yard Spool - The Saltwater Edge
Scientific Anglers Dacron Backing - Wittlock Sportfiske
Buy Fly Fishing Reel Backing Fly Line Backing Colors Online - Cheeky Fishing
FLYLINE BACKING 30LB 300YDS RED
RIO's traditional Dacron braided backing features high strength and low stretch and is unsurpassed in quality. Good compromise between thinness and
Rio Fly Line Backing, Dacron, 30 lb Test, Orange - 100, 150, 200, 250, 300, 400, 600 up to 5000 yds
Scientific Anglers XTS Gel Spun Fly Line Backing, 30
SA Fly Line Backing, Dacron, 30 lb Test, White - 100
RIO Backing Dacron