Glow-in-the-dark Firefly Dangle CharmLight up your look with the Glow in the dark Firefly Dangle Charm. This 14k gold plated firefly charm features rounded glow in the dark glass white in the daylight and milky green at night which recharges when exposed to sunlight or UV light. A second 14k gold plated disc reads 'You light up my life.' This engraved charm makes the perfect gift for the one you love, or a stylish statement of self love to remind you of the light you carry within.