This flat pre-waxed thread is extremely tough. Approximate size is 2/0 and Kevlar is perfect for tying bass bugs, cork popper tails, saltwater flies, and for spinning deer hair and other hair patterns requiring a super strong thread. 50 yard spools.
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/