紫砂壶, or "Zisha teapots," are traditional Chinese teapots made from a unique clay found in the Yixing region of Jiangsu province. This clay is known for its ability to retain heat and enhance the flavor of tea, making these teapots highly sought after by tea enthusiasts. The craftsmanship involved in creating these teapots often includes intricate designs and a variety of shapes. These teapots are typically unglazed, allowing the clay to breathe and develop a natural patina over time. Many collectors appreciate the artistic value of 紫砂壶, as they can be both functional and decorative. The teapots are often associated with the Chinese tea culture, particularly with the brewing of 绿茶 and 乌龙茶.