Celebrate your besties with this fun glow-in-the-dark necklace set. Each silver-tone chain necklace features a tiny "BFF" dangle and a super cute mushroom pendant that will magically glow when you turn off the lights. Keep one for yourself and give the other two to your crew. For best results, expose the glow-in-the-dark pendant to the light. Pack Size: 3 Finish: Silver-tone Length: 16 + 3 in. extender / 40.64 + 7.62 cm. extender Closure: Lobster clasp Material: Plastic Style Number: 23893