This abalone pendant is handcrafted from .999 fine silver wire and a blue abalone shell heart. You will notice different colors in the abalone, depending on the color you are wearing and the light that is hitting it. It looks great on a chain, neck wire, rubber cord, or leather cord. Each of my abalone pendants are "one-of-a-kind" and you are selecting the actual one you will be receiving. The chain is not included, but I do have a selection of chains if you need one. approximately 1 7/8" x 2 1/2" 47mm x 65mm 9mm bail