Blue firepolished glass that glows yellowish-green but only under 365nm UV, set in swirling copper wire. 

Bracelets can be sized to any length between 6 and 10 inches; please specify desired length below.  

This is part of the fauxfire collection - 80 uv-reactive or glow-in-the-dark shinies! All of the UV-reactive pieces will react under 365nm UV light; some will react differently or not at all under 395nm UV light.