Width: 1/4" Type: Post with flat disc back Material: Fine quality crystal Finish: Silver plated CARE We have a double coating of lacquer finish on all of our jewelry items so all you need is just a few tips to keep your jewelry looking good from season to season. To keep it clean, just wipe down your piece with a dry 100% cotton cloth Tuck the piece away when not wearing Keep it away from water, jewelry cleaners, and harsh chemicals It is not designed to be worn 24/7.