21mm porcelain buttons green/blueCeramic buttons in light green. These are about 21mm and sold in different sets. The gradient is different from button to button. There have been several sets in this design, the photo just shows a sample set. 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

Beautiful porcelain buttons in blue with light blue crystals

Handmade ceramic buttons Reykjavik

the photo just shows a sample set

Beautiful handmade ceramic buttons spring

These are about 17-18 mm and sold in a set of 6

Some examples of this buttons can be found here and  here

These are about 17-18mm and sold in sets of 8

These buttons are about 17-18 mm and sold in sets of 9

Santa Cruz de Tenerife

M - you will get 10 randomly chosen 17-19mm buttons

these buttons are about 20mm and sold in different sets

Handmade ceramic buttons cinnabar