Handmade stoneware coffee cup set $ 17.04 Material: Stoneware Process: Hand-drawn blank + high temperature kiln changing color glaze Size: Height: Approximately 9.5cm Caliber: Approximately 7.5cm Capacity: Approximately 250cc Features: The so-called "kiln change" mainly refers to the uncertain natural change of the glaze color on the surface of the porcelain due to the temperature change in the kiln during the firing process.