Piscifun fly line backing is one of the toughest, smoothest and most popular line backing in the industry. This highly visible backing features a small diameter allowing you to load your reel to capacity just in case you hook up with a long-running speed demon. This high-quality backing stretches very little and works to create more efficient casts. Available in three colors: Orange,White and Fluorescent Yellow .There is no longer any reason to overpay for high quality fishing tackle. Piscifun offers everything serious anglers need in a fishing tackle at fraction of the price of other brands.