Kuretake Gansai Tambi Set Of 18 Kuretake Gansai Tambi Set Of 18 Palette contains 18 colors Nontoxic water-based pigment conforms to ASTM D 4236 Box Cover provides color chart for you to paint, provides actual color in use representation Gansai pan may show cracking due to dryness, occasioanally Gansai pan may look rough due to tiny air bubbles. None of these affect the quality