FOSIR 2mm Titanium Steel Unique Snake Chain Necklace 18 inch. High grade 316L Stainless Steel: 100% brand new,Corrosion resistant ,no tarnish or oxidize, hypoallergenic and comfort fit; Chain dimension: 1.8-2mm wide;18 inch =45 cm long. Please choose the right size for youself; High polished surface, sturdy new style rope chain; Significant Present for your family and friends, wearing alone or matching pendant are both perfect;