This item is a traditional Chinese porcelain gaiwan, a three-piece tea brewing vessel consisting of a lidded bowl and a saucer. 

• Material: Crafted from high-temperature fired porcelain. 

• Features: Hand-painted with traditional blue and white landscape scenes and Chinese calligraphy. 

• Function: Used to infuse tea leaves, particularly white, green, and oolong teas, allowing users to drink directly from the bowl or pour into a cup. 

• Design: Features a lid to trap steam and aroma, and a saucer to hold the hot bowl.