This pendant is comprised of stunning sterling silver filigree that delicately nestles and encases a round Roman Glass fragment. Roman Glass Jewelry is made of 2000-year-old Roman Glass that has been excavated from sites around present-day Israel. The glass is set by hand in the finest sterling silver by talented Israeli artisans. Because Roman Glass is so ancient, each piece varies slightly in texture and appearance, making every piece of Roman Glass jewelry unique and special. Care instructions: avoid water, polish with a soft cloth. Finished with a lobster clasp closure. Measures 2 x 1.75 in.