Once fired in a wood burning kiln. This is a very nice incense burner. These piece was once fired (fired green) for 2 days with Japanese red pine in the mountains of Nara Japan. The glaze is called kimachiyu, a traditional glaze. It is made from a crushed stone that is then mixed with water. I can include a signed box for a minimal extra fee. Size. diameter 3 in. (7 cm) by height 3 in. (8 cm) weight 5 oz. (143 gm) I will combine shipping and I can send express mail. Please ask me for a price. The shipping price is non insured, non trackable. 19$ will get you EMS which is trackable and insured. Thank you.