SF Fly Fishing Dacron Braided Backing Line for Trout Fly Line 20LB 30LB 54yds 108yds(Orange, Green, Blue, White, Fluor Yellow, Purple, Black&White, Black&Yellow)…

Features High-Quality Materials: Made of high-quality polyester means it is slim, rot-proof, and UV resistant.

So you can put plenty on your reel without overfilling it.

This backing line is the perfect complement to all fly lines.

Strong and Sturdy: 8 strands hollow Dacron braided backing line is extremely abrasion-resistant.

Not easily fray after cutting and attaching to other lines.

Soft and Low coefficient of friction: Has good curl degree and easy to knot, won'nt damage your favorite fly rod guides when using.

Available in 20lb and 30lb.

20 lb is good for trout, bass, and most freshwater fishing.30lb is good for salmon/saltwater/pike fishing or where the extra bulk is needed to help fill a large reel.