The key to a happy life is family. Yours is represented beautifully on this heart-shaped key that's set by hand with the family birthstones of your choice. "Key to My Heart" is inscribed on the reverse. Specify up to 5 Austrian crystal birthstones by month. The ones you don’t specify will be clear. Sterling silver pendant is layered in pure platinum for a lifetime of beauty. 20" sterling silver rope chain. Key measures 1 3/8" tall and 11/16" wide at top.