ltem description from the seller
Material: Primary - Purity:925 Finish:Polished Length of Item:20 in Chain Length:20 in Chain Type:Rolo Chain Width:9.5 mm Clasp /Connector:Lobster Coating:Anti-tarnish Feature:Semi-Solid Manufacturing Process:Machine Made Material: Primary:Sterling Silver Item Weight U/M:gm Width of Item:9.5 mm Product Type:Jewelry Jewelry Type:Necklaces Sold By Unit:Each Necklace Type:Chain Styles Gender:Women's Material: Primary - Color:White