Ru kiln hat teacup is made of pottery in Ruzhou city, Henan province and has two colors: silver white and azure. Its specification is 70mm in diameter, 40mm in height, 50ml in volume. The irregular cracks of the surface just like the cicada's wings and they will be colored by the tea after a long-time using, then you could see the wonderful and changeable pattern. Besides, the cracks of Ru kiln glaze is very serried, deep or shallow, overlap together,just like silver fish scale. It touches silky and its elegant design and pure, bright luster present itself reserved quality.