Material: Stainless Steel Shape: Snake Chain, Round Ball Color: Silver Chain Width: Approx 3mm Round Ball Clasp: Approx 10mm Mined in China High quality stainless steel resists corrosion and wear, is hypo-allergenic, and nickel, lead & cadmium-free. Beautiful platinum patina is the natural color of this steel and will never wear off, tarnish, or turn colors. Strong Steel keeps your charms safe, does not require regular polishing like 925 sterling silver.