Gel-Spun Backing - 50 LB./1000 YDS.
What is Fly Line Backing and How Much Do You Need? - Guide Recommended
Gelspun backing – Reffeshop
Fly Line Backing Shootout and Buyer's Guide - Trident Fly Fishing
Rio Fly Line Backing - Multi Color Gel Spun 65lb Rio's premium 65lb, 8 carrier backing is stronger, softer and smoother performing backing! It's comprised of 8 strands of tightly woven fibers that stack perfectly on the fly reel. Backing changes bright colors every 10 meters and compliments fly reels with a beautiful color splash and functionality. Suitable breaking strain and diameter for all fishing from pan fish to ultra-big game such as GTs, billfish and Tarpon.
Rio Fly Line Backing - Multi Color Gel Spun - 65lb
Gel Spun Spey Pages
RIO Multi Color Gel Spun Backing
Backing – Madison River Fishing Company
SCIENTIFIC ANGLERS, Gel-Spun Polyethylene Backing
XTS Gel Spun Polyethylene Backing
Scientific Anglers XTS GEL SPUN BACKING – Clonanav Fly Fishing