Fly line backing here sold in 20lb and the color is orange from our friends at Scientific Anglers. Standard Dacron Backing is built with advanced 3M
Goture Fly Line Fishing Line Weight Forward Floating Fly Line Double M – GOTURE
Kylebooker Fly Fishing Dacron Braided Backing Line Abrasion Resistant Trout Fly Line (20lb-100yds,Orange) : : Sports & Outdoors
FLYLAB BACKING 20LB BRAID 50YDS - Southern Wild
Ouyawei 100 Yard Braided Fly Fishing Line 20lb/ 30lb Extension Fishing Line Spare Line Backing Line 30lb White / Black 30lb White / Black
Fly Line Backing - Taimen
Fly Line Backing 20lb Chart/white P/mtr - Basil Manning
Redington Accessories Backing Dacron 20Lb 200 yd. Fly Tying Equipment, Chartreuse, Fishing Line - Canada
Dacron Backing Scientific Anglers
Maxcatch Braided Fly Line Backing for Fly Fishing 20/30lb 100Yards/300Yards - Mehfil Indian Restaurant
SA Fly Line Backing- 20lb black