Wrapables Designer Inspired Double Layer Bubble Necklace Dimensions: 20.5"L with 3.75"L extension. Size: (small bead) 0.5"D, (medium bead) 0.75"D, (large bead) 1"D. Material: Resin, Alloy. You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!