This season, the COS jewelry designers explore materiality through tactile surfaces and organic shapes. Crafted from gold-plated recycled brass, these modern hoop earrings are hammered into irregular, molten silhouettes and designed with a subtly tarnished patina. Hinge 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