3mm, Sterling Silver Solid Herringbone Chain Necklace, 20 Inch Crafted from sterling silver Measures 3mm in width Closes with a secure lobster clasp Herringbone design Includes our custom gift box 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!