This pin is a hand-painted pottery. It is burned at 800 degrees, the glaze after painting is burned at 1230 degrees, and finally the golden part of the gold glaze is put on the kiln and burned to 700 degrees. It takes 3 times to enter the kiln. In the firing stage, it is difficult to paint because of the small size of the work. Basically, it is necessary to use the smallest pen to slowly outline it, and to do it with the beauty of the hand and the functional friends! Pin material is brass This pottery fragrant small object is hand-glazed with the finest guillotine, and is fired through a high-temperature glaze of 1200 ̊C or more. There is no need to worry about fading.