Invisible Fluorescent Crayon Pale Green/Fluoresces Bright Green
4 In Stock
- For tagging or tracing
- Highly fluorescent
Crayons may be used effectively to mark currency, paper and cardboard products, clothing, plastic products and other porous or non-porous materials for tagging and tracing purposes. Markings are highly fluorescent when exposed to longwave (UV) or shortwave (UV) radiation.