6pcs 18mm ceramic buttons swirl stein These are about 18mm and

These are about 18mm and sold in a set of 6

As most other our buttons these were fired two times

Porcelain buttons mix

Ceramic buttons brick

6pcs 18mm ceramic buttons swirl stein These are about 18mm andHandmade ceramic buttons swirl. These are 17 18 mm buttons sold in set of 6. 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 3 layers of glaze manually and when they've dried, buttons are fired for the second time at about 1210C degrees. The backside of the buttons stays unglazed. Can you wash the buttons in a washing