This is a pendant necklace featuring a salvaged uranium glass bead. The pendant is a silver-plated cage design, holding the light green glass bead. Under a UV light or blacklight, it glows bright green. It glows under both a 365 and a 395 light, but it glows especially bright under a 395 light. The chain is 18" long, and the pendant is 0.75" by 0.5" It will come in a gift box