Stylish and protective: This 1pc Obsidian Yin Yang Necklace is a perfect blend of style and protection, making it a must-have accessory for anyone who values both. High-quality material: Made with black gemstone amulet, this necklace is durable and long-lasting, ensuring that you can enjoy its benefits for years to come. Adjustable chain: The adjustable bead chain makes it easy to find the perfect fit for your neck, ensuring that you can wear it comfortably all day long. Unisex design: This necklace is designed to be worn by anyone, making it a great gift for both men and women.