YASUTOMO-Pearlescent Watercolor Set-16 colors. The finest quality watercolors used by Japans watercolor and Sumi-e painters. Sixteen colorfast colors in a reusable plastic container. They will add dimension and sparkle to all your paper crafts. Can be used alone or with other watercolors. Great for painting; stamping greeting cards and much more. Non-toxic Conforms to ASTM D4236.