Solarez Glow in the Dark Thick Formula is great for the night fishing enthusiast.This resin is very hard and resilient. It is also viscous for making thick coatings for bodies, heads, and eyes. It glows very intensely at night, especially if charged by a UV light prior to use. A few seconds of charging leads to multiple minutes of glowing.WARNING: Cancer and Reproductive Harm -www.P65Warnings.ca.gov