16" L + 2" extender. The necklace is hypoallergenic, waterproof, fade-resistant, and tarnish-free, ensuring its beauty lasts for years. Perfect for everyday wear or special occasions. Chunky Paperclip Chain Necklace | Thick Link Chain Necklace | Large Chain Necklace | Real Gold Dipped Necklace | Real Gold Plated Necklace | Waterproof & Sweat-proof Necklace | Simple Gold Chain Necklace