Comes with “Resin Coating” and “Non-Stress Coating”. Ultra flexible, superior knot and ablation strength. Usually fluorocarbon is more durable than nylon but too stiff for sensitive tippets. The special coatings give Varivas Fluorocarbon Super Tippet the flexibility it needs for fly the flexibility it needs fly presentation. • Sizes 0x to 10x and 16lb. • 25m and 30m spools, depending on diameter • New UV and waterproof package.