Glo in the dark Thread

Description From Uni Products of Canada comes UNI GLO THREAD. This is a 3/0 White phosphorescent thread – expose your pattern tied with the thread to sunlight and the pattern will glow in the dark! Try using the thread as a butt tag or as a hotspot at the thorax – used as an underbody, you can add a glow to your flies. 50 Yards on each spool.