Cast of translucent porcelain and individually hand-decorated so no two pieces are exactly the same. For use with tea light or votive candle. Hand wash with soap and warm water. Firefly design: The fusion between tall grass and starry sky, the firefly has become a customer favorite, boasting the best of both worlds. Holes in the clay allow the light to sparkle through like fireflies in the field. 3 inches diameter by 3, 4 and 5 inches tall.