river peak FLY LINE DT 5 F #5 Double Taper Floating 100ft(30.5m) (Orange) Fly fishing line Type:DT-5F (Doble taper floating #5) Length:100 FT (about 30.5 m) Core:Braided (Fluorocarbon) Coating:PVC Please refer to Photo 3 for detailed specifications. This is a brand of Japan called river peak.