Brusho is an amazing watercolor crystal powder . Use on any watercolor paper or almost any absorbant substrate. Sprinkle Brusho onto paper, then sprinkle or spritz with cold water and watch it explode with brilliant color. It can also be applied with a brush like traditional watercolors. Brusho opens up a new world of creative possibilities for card makers and mixed-media artists. Ideal for card making, stenciling, decorating fabric and much more. They are extremely concentrated, so each 15 gram pot goes a long way.