Featuring a stainless steel base, this geometric style is designed to gain compliments from all angles — and is hypoallergenic and water-resistant. A three-dimensional open square concept poses as a double piercing earring, with just one singular post closure. Complimented with our custom cylinder earring backings — this lightweight earring is a fabulous design to take you from day to night with ease and edge. 0.6" diameter 0.3" width Post-back closure — for pierced ears Signature customer mc earring backings for extra comfort and security Material Hypoallergenic. Water resistant. Rust-resistant. Sustainable. Gold: 14k-plated stainless steel. Silver: polished stainless steel. 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.