This silver-filled box chain is lightweight yet substantial, offering a clean look and the bright white of silver at a low price. This chain features sterling silver bonded to a base-metal core and is no less than 10% (1/10) sterling silver. This chain also features an extra layer of fine silver plating, ensuring extra brightness and tarnish protection. Box chain has squared-off links that resemble cubes; they are sturdy chains, ideal for pendants. In rounded box chain, the links are created from half-round wire, giving the finished chain a rounder profile.