Sufix Performance Tip Up Ice Braided Fishing Line is the standard in tip-up ice fishing line. Made with high tenacity polyester braid known as HTP which provides exceptional abrasion resistance, durability, low stretch, and diameter-to-strength ratios. The Hydro Fusion Process ensures fast sinking speed, low memory, and exceptional cold-weather handling.FeaturesHTP provides exceptional abrasion resistance, durability, low stretch, and diameter-to-strength ratiosHydro Fusion Process ensures fast sinking speed, low memory, and exceptional cold-weather handling