Meticulously crafted with medical-grade stainless steel (316L) and finished with gunmetal ion plating (IP) which is hypoallergenic, durable, and will not tarnish. Unlike other cheap imitations that contain lead and nickel, you won’t have to worry about skin irritation or allergic reactions with this premium MagnetRX bracelet! https://magnetrx.com/products/ultra-strength-magnetic-therapy-bracelet-gunmetal-gray