JewelStop Silver Rhodium Finish .8mm Shiny Extendable & Adjustable Box Chain, Lobster Claw 16-30", 3.8gr JewelStop box chain necklace that has been beautifully designed. The box chain necklace has been crafted in 925 sterling silver. The necklace is silver in color. The box chain necklace has an unlimited 1 year warranty and 30 days money back guarantee. The product dimensions are: 30" long and 0.8mm in width. 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! All our diamond suppliers confirm that they comply with the Kimberley Process to ensure that their diamonds are conflict free.