Oxidized Sterling Silver 2.6mm Round Box Chain (16, 18, 20, 22, 24, 30 or 36 inch) Classic box chain makes a simple basic casual necklace An essential piece by itself or combined with your favorite pendant Comes with a comfortable lobster claw closure Crafted in sterling silver <span class="a-text-bold">Oxidized</span>. For an antique look, oxidized silver chain is the perfect choice for you. Oxidized silver chain is made of sterling silver that has been exposed to oxygen or pressurized environment for a long time. Aside from style, the advantage of oxidized silver chain is that it does not have to be polished and can be exposed to any type of environment. <span class="a-text-bold">Gold Plated</span>. Our sterling silver chain is layered with yellow gold or rose gold to acheive the look of gold .