Micron® Fly Line Backing - 30lb - 100yd - The Fly Shack Fly Fishing

Cortland 333 Double Taper Fly Line - The Fly Shack Fly Fishing

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

Backing - The Fly Shack Fly Fishing

Micron® Fly Line Backing - 30lb - 100yd - The Fly Shack Fly Fishing

Dacron Backing Scientific Anglers

Cortland Micron Fly Line Backing, Blue, Size: 30 lbs

Cortland Micron Backing - Chartreuse Yellow - The Fly Shack Fly

SF Braided Fly Fishing Backing Line for Trout Fly Line 20LB 30LB

SCANGLER Backing Orange Fly Line - 250 yd

Cortland Micron Backing, White 100 YD, 20 LB : : Sports & Outdoors

Fly Line Backing – Cortland Line Company