6 pcs. 18 mm ceramic buttons dunes rosarot so the backsides are of

so the backsides are of different colors

These are about 18mm and sold in different sets

These are about 18 mm and sold in a set of 5

Handmade ceramic buttons frozen pond

6 pcs. 18 mm ceramic buttons dunes rosarot so the backsides are ofHandmade ceramic buttons dunes. These are 17 18 mm buttons sold in sets 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