This product will be shipped by [page="merchant_info"]Bilsen Store[/page] . Free returns within 15 days. For detailed information, click [page="return_conditions"][/page]. The product is made of 925 Sterling Silver. There is a 925 stamp on the chain opening and closing ring. It is plated with pure 18 carat gold to prevent tarnishing. It is anti-allergic. It has a 2-year warranty. Manufacturer: BİLSEN STORE