Glow-in-the-dark Firefly Dangle CharmLight up your look with the Glow in the dark Firefly Dangle Charm. Hand finished in sterling silver, this 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 silver 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