8 pcs 17-18 mm ceramic buttons silk green lace buttons First firing is the so

First firing is the so called bisque firing where temperature goes as high as 1000C degrees

Handmade ceramic buttons chestnut

These are about 22-23 mm and I have just one 6-er set left

They are 16 mm buttons sold in sets of 6 pieces

8 pcs 17-18 mm ceramic buttons silk green lace buttons First firing is the soHandmade ceramic buttons silk green. They are 17 18mm big and sold in set of 8. 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 1210C degrees. The backside of the buttons stays unglazed. Can you wash the buttons in a washing