Product Name: 13# wring double chain/ 13# engraved ring O shape chainMaterial: IronShape/Color: oval, double chain, gold/ O shape, engraved ring chain, nickelSize (mm): Outer Dia. 20.2*15.8/ 19.5*16.51. In a Variety of Design, Fit for Costume Chain, Jewelry Chain, Belt Chain, Key chain, Decoration Chain, etc.2. Well and High Quality Control, Prompt Delivery, Competitive Prices3. Customer's Design and Logo are Welcome, Small Order Acceptable