Through a patented extrusion process Yo-Zuri has combined the best features of fluorocarbon and super resins to formulate the next generation of fishing line…Yo-Zuri Hybrid. Yo-Zuri Hybrid is 100% waterproof and UV resistant. It is also incredibly tough- abrasion-resistant and has a superior wet knot strength. The result is a super-durable- high-performance fishing line that Stay Stronger Longer! Yo-Zuri Hybrid lasts up to 10 times longer than ordinary nylon fishing lines because of a Super Resin Process that blocks the penetration of water and the sun’s ultra-violet rays.