Choose from the highest quality fly line backing & accessories from the fly fishing experts at Sunray. From line treatment through to fly line backing & indicator and more.  Depending on the type of fish you are trying to target, with larger & faster fish, a backing on your reel is a wise move. Usually made from Dacron or gel spun backing, everything is ready for you to fish with confidence.  When attaching your backing, the most common knot to use is the Arbor knot or the nail knot and you should put on as much fly line backing your reel can hold. Adding that all important length to your fly line will give you that insurance required, so order your backing and accessories today with Sunray fly fishing or call our friendly staff for any help or advice.