Tip: The silver bracelet is made of titanium steel and the gold bracelet is made of 18K gold plated. Material: Titanium steel Care instructions: Avoid wearing during exercise, as sweat will react with the jewelry to produce silver chloride and copper sulfide, which causes the jewelry to deteriorate and corrode over time. Imported Product measurements: Chain length: 5.9 inWeight: 0.3 oz (8 g)