These best friends necklaces glow in the dark. Set of two includes a purple mushroom and an orange mushroom, which with a "BFF" charm dangler. Share one with your friends who lights up your life. For best results, expose the glow-in-the-dark charms to light.Pack Size: 2 Finish: Silver-tone Length: 16 + 3 in. extender / 40.64 + 7.62 cm. extender Closure: Lobster clasp Material: Metal Style Number: 86341 - Claire's Best Friends Glow In The Dark Mushroom Bff Pendant Necklaces - 2 Pack