These pearlescent colors are handcrafted in Germany and dissolve with water and a brush, just like traditional watercolors. They are lightfast, pigment-rich and can adhere to a variety of surfaces including paper, wood, cardboard, clay and stone. They work well with brushes and dip pens; simply brush the color onto a nib to use it as calligraphy ink. In clamshell packaging. The 12-Color Pearlescent Rainbow Set includes amethyst, blue silver, Caribbean green, crystal gold, deep black, mystic color, orange copper, pearl gold, pearl silver, purple, red and sapphire blue. Brand: Finetec