Sirchie TDTUV100 Fluorescent Invisible Paint Marker

This UV marker is perfect for applying invisible markings on non-porous surfaces such as metal, plastic, glass, ceramic, rubber and stone. Its fast-drying, xylene-free paint conforms to safety standards such as California Proposition 65 and EPA HAPS and SARA 313. Markings are invisible under normal light, but brightly fluoresce under UV illumination. Marking temperature range: -50°F to 150°F (-46°C to 66°C). Not recommended for use on skin.