7" length Lobster clasp closure MATERIAL Hypoallergenic. Water Resistant. Rust-Resistant. Sustainable. Gold: 14k-plated stainless steel. Silver: polished stainless steel. Signature MC engraving for authenticity. CARE All Marrin Costello Collection Jewelry is crafted of a hypoallergenic + water resistant + sustainable stainless steel base. When not worn, please store in a protected place and use a cleaning cloth to spot treat as needed.