The Ciottolo series ("pebbles" in Italian) is designed with simple, contemporary pieces, reflecting the subtle curves and shapes found in nature. The pendant head comprise three "ciottolo". The two bottom "ciottolo" are attached by a small link, allowing them to swing with movement. The pendant head can be suitably worn on a choker or a chain (please send us a message if you would like a chain set). Material: Britannia Silver 958 We can also make this piece in 23K Gold Vermeil (23K Gold Plated Britannia Silver 958) upon request. The price will be approximately 25% higher, and will take 3-4 weeks depending on availability. Please convo me for a more accurate quote if interested. We are a husband-wife, husband's-parents, and two-production-staff team. We make fun handmade, original pieces for fun people in our workshop/store in Ginza Tokyo.