6mm x 9mm, Bezel Set Vermeil or Sterling Silver Birthstone Charm(s) on an elongated box chain in choice of 14k gold fill or sterling silver. Quality you can wear everyday! Gold Filled It won't chip or flake, is waterproof, and the best alternative for cost and quality to solid gold. Made with a layer of solid 14k gold that is pressure bonded to brass, gold fill has 100 times more gold than plated jewelry. Gold Vermeil (hypoallergenic) Gold vermeil is a type of gold jewelry that combines the beauty of gold with the strength of sterling silver. The sterling silver base is then coated with a thick layer of gold through the process of electroplating. This creates a piece that has the appearance of solid gold but with a more affordable price point. Vermeil jewelry won't easily tarnish and won't cause discoloration on your skin. Sterling Silver 925 silver is a durable precious metal that can last a lifetime. It can oxidize(tarnish) over time or when exposed to certain elements, but can be polished back to its normal condition.