Painted pencils under the glaze and hard pencils will make the pottery experience easier. At the same time, it adds a sense of sketch to the ceramic picture~ Precautions:The refills of underglaze colored pencils have a certain degree of hardness and are only suitable for plain painting~ Pencils should not be sharpened too sharply. It is recommended to use a traditional knife to sharpen the pencil. Burning temperature: 1100 degrees -1300 degrees Colour:Photo Color Material:Wood Package Contents: 6 x Underglaze Color Pencil Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.