Necklace length: 18" Roman Glass piece: .5" and .75" Clasp: Lobster Clasp Materials: .925 Sterling Silver Bringing History to Life Roman Glass Jewelry is made of 2000-year-old Roman glass that has been excavated from sites around Israel and brought back to life as heirloom-quality jewelry. Each piece is a unique and distinctive treasure. The glass is set by hand in the finest sterling silver. Made in Israel For more information, Visit our Roman Glass Education page.