Sterling Silver 1.1mm Box Chain w/2in ext.Product Details Material; Primary Purity 925 Finish Polished Length of Item 18 in Chain Length 18 in Chain Type Box Chain Width 1. 1 mm Clasp Connector Spring Ring Coating Anti tarnish Extender Length 2 in Feature Solid Manufacturing Process Casted Material; Primary Sterling Silver Width of Item 1. 1 mm Product Type Jewelry Jewelry Type Necklaces Sold By Unit Each Necklace Type Chain Styles Gender Women's Material; Primary Color White