Crystal mobile necklace Item A8636 Size: Quantity: 1 2 3 4 5 6 7 8 9 Add to Bag Wishlist share: size & fit Length: 17" with a 2 1/4" extender chain for adjustable length. Product Details We love a bright mix of color, and this multimedia piece gets the job done and then some—it's both wearable and eye catching. And did we mention sparkly? Brass, resin, glass. Gold plating. Import. Jewelry Design © 2013 J.Crew International, Inc. Item A8636.