These Personalized Party Glow in the Dark Necklaces will brighten up any gathering. This set of ten necklaces, each measuring 55 cm and coming in a variety of colors, is ideal for parties, get-togethers, and entertaining accessories. Qualities: Ten necklaces in a pack, each measuring 55 cm. a variety of colors for enjoyment. For enhanced excitement and nighttime visibility, use the glow-in-the-dark feature. Ideal for parties, events, and as novelty gifts.