This essential jewelry making supply is perfect for crafting a simple yet thoughtful gift for someone special. Add-a-Charm necklaces are perfect ways to create easy and unique gifts for a loved one. A perfect birthday gift or stocking stuffer, gift-giving is easy for years to come when you simply gift a charm to add to this treasured necklace. Add one to your own jewelry wardrobe and coordinate your necklace with every mood and every outfit! Includes a lobster clasp and a 3/4" ring to add charms. Metal. 21"