Our Flume necklace is available in four different adjustable lengths: 16.0 - 18.0", 18.0 - 20.0", 20.0 - 22.0", or 30.0 - 34.0". The model is wearing the recommended 30-34" length at its longest setting. On all lengths and colorways, the rounded rectangular pendant piece measures 1.7/8" by 2.0" and features three silver and solid gold circular tubes. Choose your desired length and colorway from the dropdown menus below. Materials: 14k gold, 14k gold-fill (14k gold over brass core/no nickel) or sterling silver (.925). All materials are hypoallergenic. This necklace was designed for Design Lab's second capsule collection in Asbury Park and is handmade in our Upstate New York production studio.