Cuff Links are made from lightweight aluminum and then finished with a clear coating. Gold plate finish is also available. The mixed media artwork is sealed in a jeweler's polymer resin. The resin is crack proof, water and scratch resistant, and is self-healing. As with any original piece of art, extreme exposure to sunlight is not recommended. Size - Square 3/4" x 3/4" CLICK ON THE IMAGE TO SEE THE FULL SERIES