Semperfli created the highest quality polyester tying thread that you can have complete confidence in for your fly tying. With Classic Waxed Thread.
There are 220m / 240 yards (approx ) per spool of Classic Waxed Thread
WARNING: Cancer & Reproductive Harm -
This product may contain chemicals known to the state of California to cause cancer, birth defects or other reproductive harm.
http://p65warnings.ca.gov/
