23mm ceramic buttons graphite Set:4 buttons Handmade ceramic buttons in brown

Handmade ceramic buttons in brown with red/green gradient

These are about 16mm and sold in different sets

These are about 18 mm buttons sold in sets of 9

the photo just shows a sample set

Porcelain buttons lilac crystal

23mm ceramic buttons graphite Set:4 buttons Handmade ceramic buttons in brownHandmade ceramic buttons graphite. They are 23 mm big and sold in different sets. The buttons were fired two times. First firing is the so called bisque firing where temperature goes as high as 1000C degrees. After that our buttons are ready to be glazed. We put 2 layers of glaze manually and when they've dried, buttons are fired for the second time at about 1230C degrees. The backside of the buttons stays unglazed. Can you wash the buttons in a