ltem description from the seller
Material: Primary - Purity:925 Finish:Polished Length of Item:18 in Chain Length:18 in Chain Type:Box Chain Width:0.9 mm Clasp /Connector:Spring Ring Clasp Width (Male end):6 mm Coating:Anti-tarnish Extender Length:2 in Feature:Solid Manufacturing Process:Casted Material: Primary:Sterling Silver Width of Item:0.9 mm Product Type:Jewelry Jewelry Type:Necklaces Sold By Unit:Each Necklace Type:Chain Styles Gender:Women's Material: Primary - Color:White