This vintage key necklace is crafted from genuine 925 sterling silver, offering high resistance to rust, corrosion, and discoloration. It is 100% safe for sensitive skin, ensuring a healthy and comfortable wearing experience. The necklace features an 18-inch chain with a 2-inch extender, making it adjustable and suitable for practically anyone. Its versatile design is perfect for daily wear. Each sterling silver skull key necklace comes beautifully packaged in an elegant jewelry , ready for gifting or personal use. We stand by our product with a guarantee service. If you have any concerns, please contact us, and we will provide a solution within 24 hours. Our goal is to ensure your complete satisfaction and happiness with your purchase.