This is the Ossidabile Bronze Pendant Jewelry Ocean Diving Scuba Theme Features: Pendant created from color-changing bronze Petite charms have artistic sculptural details Each pendant comes with a black cotton cord that can be tied around the neck or loosely wrapped around wrist or ankle Created in Italy Available in different finishes: all bronze, silverplate color, goldplate color, copper color, mixed (2 or more colors) Ossidabile is a pendant to wear, a symbol of time, living matter that changes by changing faces and surfaces. The tiny, artistically sculpted pendants are bronze and oxidize in contact with the skin, transforming into a unique jewel in time. Each pendant comes with a black cotton cord so you can string the charm and tie around the neck or wrist - completely adjustable to you! Makes an excellent gift for the scuba diver or ocean enthusiast in your life.