Goture 8 Strands Fly Fishing Backing Line 100M/109YRD 20LB 30LB Dacron Braided Fly Fishing Line Carp Bass Trout Fishing Tackles - Upland Hunters

Redington Accessories Backing Dacron 20Lb 100 yd. Fly Tying Equipment, Chartreuse, Fishing Line - Canada

3M Scientific Anglers GSP XTS Gel Spun Backing from Spool 100lbs, Backing, Fly Lines

Goture 8 Strands Fly Fishing Backing Line 100M/109YRD 20LB 30LB Dacron Braided Fly Fishing Line Carp Bass Trout Fishing Tackles - Upland Hunters

Scientific Anglers Ultra Premium Braided Backing - The Compleat Angler

KastKing BackKast Fly Fishing Line Backing Line

Scientific Anglers Dacron Backing in Chartreuse (Neon Yellow) 30lb - 2

Dacron® Fly Line Backing

Dacron® Fly Line Backing

Scientific Anglers Dacron Fly Line Backing - Hunter Banks Fly Fishing

RIO Dacron Fly Line Backing 20 or 30 lb 100 to 5000 yd White Orange Yellow in Fishing Line.

RIO Dacron Fly Line Backing 20 or 30 lb 100 to 5000 yd White Orange Yellow, Fishing Line - Canada

Fly Line Backing 20LB 30LB 100 Yds for Trout Fishing - Fluorescent Yellow, Set of 2 : Sports & Outdoors