Scientific Anglers Fly Line Backing - Dacron Blue / 20lb 5000 yd

Every angler needs backing, unless youre into that tenkara thing, which is OK but its probably just a fad. You can also just order backing in any quantity without a reel. Our favorite colors Optic Green, Aqua and Red/White/Blue (USA, USA, USA ) The tri-color backing changes color every 100 feet.