Apply Monoprint Base on acetate or similar surface, then paint. When dry, transfer onto wet sheet of paper with a brayer or press. Colors are permanent, water-based. Includes black, phthalo blue, phthalo green, primary red, primary yellow, violet and white colors and monoprint base. 4 oz. bottles. Colors are AP Seal, non-toxic. Monoprint base conforms to ASTM D4236.