Material... Fluorocarbon I am offering Seaguar, manufactured by Kureha Corporation. The strongest Grandmax FX! I have over 35 years of fishing experience... and I absolutely trust it! Brand new, unused, and unopened. ★Stored in a warehouse (climate controlled), so it is protected from UV rays and salt (tide). 44% off the regular price of ¥3600 (¥3960 including tax). ◆Furthermore, free shipping anywhere in Japan. This is a fluorocarbon line. Seaguar #5, 60m Standard diameter: 0.370mm Seaguar emphasizes knot strength! Standard knot strength: 7.4 kg Color is clear. ★When in doubt, always Grandmax FX! Whether it's for float fishing, boat fishing leaders, or lure game leaders! I trust this line to win in the end when you're in a tug-of-war. If it breaks with this, I give up. I can accept defeat! I have over 35 years of fishing experience. Shipped via regular mail. *If you require express delivery, it will be sent by express mail. In that case, separate shipping charges (express mail fees) will apply.