The COS jewelry collection puts a spotlight on expressive, modern silhouettes. Crafted from gold-plated recycled brass, this necklace is designed with a cluster of spheres that fall from an adjustable box chain. It's as striking worn solo as it is stacked with other pieces. Lobster-clasp closureBrass is a versatile material that can be recycled numerous times without losing any of its properties Shell: 100% Post-consumer recycled brass. Plating: 100% Gold. Excluding trims