Sterling Silver Flat Oval Domed Omega Chain Necklace Italy 16"+2" Extender Omega chain is domed. Approx 2.7mm wide x 1.4mm thick. Unlike link chains, the Omega is made to retain it's shape when worn Solid 925 sterling silver, imported directly from Italy Sterling silver extender chain so you can wear it from 16 inches to 18 inches Hallmarked 925 ITALY You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!