The teapot does not have much luster before it is soaked in tea. It become more and more shiny only after it has been soaked in tea for a long time From a physical perspective, the sudden cracking of a clay teapot refers to the contraction of the teapot during sudden cooling and heating, which is most likely caused by uneven heating and cooling. Therefore, before using a clay teapot, warm water should be poured onto the outside of the teapot, and then warm water should be injected into the teapot. Then, the teapot should be shaken to evenly heat the entire body of the teapot before it can be officially used, This way, the teapot not suddenly crack after a period of use. This teapot has smooth lines, and the handle, spout, and body are all lifelike. It is a good teapot for collection and playing. The clay material is simple and elegant in color. With long-term use, it gradually reveals its edge, and develops a fast-changing, warm and solemn character. When you use it to make tea, the body of the teapot becomes warm over time, and the tea brewed from it becomes and fragrant. [ Product Name ]Cloud furnace [Mud]ore agarwood mud [Inner wall] Yes [Water outlet]Mesh outlet water [Capacity] 320cc ± 10cc [workmanship]Handmade [ Size ] Total diameter: 18cm : 6cm High:9cm Color: As Shown Material: Zisha clay Package Contents: 1 * teapot Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.