-This Marnie Necklace, the Twilight Rose, features an oxidized silver finish over brass base, crystal elements, and a 28/30" chain length with a lobster clasp closure. To keep your necklace in optimal condition, it is recommended to gently wipe it down with a cotton cloth after each wear. Avoid wearing it in water and wait until after applying make-up, hairspray, and lotion before putting it on. Please note that the patina finish of the necklace may darken over time. Store it with an anti-tarnish 3M square and away from sterling silver jewelry, as it may oxidize more quickly.