Beautiful necklace features a blue opal pendant that hangs from 14k gold filled chain. Layer with your favorite necklace. Pendant measures 16mmx11mm. Select desired length from drop box. All your items will be packaged & shipped in a cotton filled kraft box. ~The best way to prevent tarnish is to wear your jewelry regularly. When not wearing your jewelry, the best way to protect it is to store it in a sealed plastic bag. Humidity, chemicals & chlorine can dramatically speed up the tarnishing process. Opal Necklace, Gold Filled Geometric Layering Gemstone Gift For Her, Blue Necklace