Our 6 pack of 7 mm, 33 inch glow-in-the-dark Mardi Gras bead necklaces. Once the beads are exposed to light, they'll glow in the dark. You can also conveniently expose them under a UV or black light for a double glowing fun! Glow in the dark jewelry makes a great party favor and looks great at night or under black lights for kids of all ages. Sold 6 to the pack.