UNI Single Strand Super Floss is an all purpose body floss manufactured of 100% rayon. 600 denier, strong and shiny. Salmon fly dressers (as well as other fly-tiers) appreciate the wide range of 29 pattern matching colors. Available in 15 yd. spools. 1 ply. Made in Germany.
Also be sure to check out the Danville Thread Company Acetate Floss.