8 pcs. 17-18mm black porcelain buttons deep blue japanese porcelain Please be aware that due

Please be aware that due to the square shape these buttons look bigger then round buttons in 17-18mm

These are about 22-23 mm and sold in sets of 6

There are several sets in this design and photo just shows a sample

Square ceramic buttons rime ice

photos show sample buttons

8 pcs. 17-18mm black porcelain buttons deep blue japanese porcelain Please be aware that dueBlack porcelain buttons deep blue. They are about 17 18mm and sold in sets of 8. There are several sets in this design, the photo just shows sample buttons. 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 4 layers of glaze manually and when they've dried, buttons are fired for the second time at about 1230C degrees. The