Michelle Campbell Jewelry is produced in brass and plated with 14 karat yellow gold, rose gold, or white gold. Rings are produced in Sterling Silver and plated with 14 karat gold. In order to avoid tarnishing, and maintain the high-shine finish plating of your Campbell piece, please follow our care instructions. Avoid the following activities while wearing your jewelry: swimming, bathing, exercising, or showering. For rings specifically, avoid washing your hands or using lotion while wearing. Do not clean plated jewelry with chemicals, instead gently wipe them with a soft towel.