Bana Twin Quails Chinese Porcelain Gaiwan and Pu-erh Tea Sample Bana Tea ships from the United States. Use caution and be sure that other venders selling under this listing are providing the exact same product. Gaiwans are used to brew tea in the traditional style of the Chinese Gongfu (Kungfu) Tea Ceremoney. In the ancient Qinghua style (white porcelain decorated with cobalt blue pigment) This is a smaller gaiwan that is 3.35" wide x 3.25" tall and holds up to 3.5 ounces of tea to lid level. Perfect size when brewing for just one person. The design is of two quails peacefully mingling in the brush.