Colourcraft Brusho Crystal Colors are intense paint powder that is water-based and non-toxic. The colors are brilliant and transparent with unique qualities that make it a great medium for loose and impressionistic work. Use wet-on-wet, sprinkling, spritzing and other techniques. Can be used on wood, fabric, paper or canvas. This assorted pack includes lemon, yellow, gamboge, vermillion, orange, scarlet, ost. red, brilliant red, crimson, violet, purple, cobalt blue, ost. blue, ultramarine, Prussian blue, turquoise, sea green, leaf green, emerald green, light brown, dark brown, grey, black and white. Each bottle contains 15 grams.