This cup is from Jin De Zhen, which is one of famous ceramic-production center in Jiang Xi province, east of China. the main character Jinde Zhen porcelain is blue-white color and it feels smooth and transparent. the smell cup is used in Gongfu tea ceremony, such as Oolong tea, Black tea as well as Puer tea. the volume of taste cup is about 35-50ml. It used to smell tea fregrance before drinking.