These semi-moist colors are suitable for application to many types of ceramic painting projects. The formula is especially good for creating terrific watercolor effects and fine details. Excellent for use on most Amaco art clays before traditional glazing. Colors allow you to paint intricate designs with beautiful results. Packaged in a plastic box with hinged lid. Set includes black, dark blue, dark green, light yellow, maroon, light brown, blue green and white. All colors are lead-free, non-toxic and carry the AP Seal. If left unglazed, Underglaze colors should not be used on surfaces which come in contact with food or drink. Food safe only when applied and fired under AMACO LG10 Clear Transparent Gloss Glaze.