Women's Natural blue Safir Taşı Round Pure Copper Chain Antialerjik Necklace. Crafted from 100% pure copper; includes decorative chain detailing. Suitable for everyday wear, special occasions, and gifting. Copper may naturally develop a darker tone or patina over time. Avoid direct contact with perfume, creams, detergents, alcohol, and similar chemicals; remove before showering, swimming, or entering the sea, and store in a dry place after use.