This Marabu Aqua Ink Trail Seahorse set has brilliant, water-based ink for a fascinating play of colors with a brush or drawing pen. The intense colors for watercolor techniques dry to a natural, transparent finish and impress with their high lightfastness. After drying, the ink can be completely dissolved again with water so that you can paint the picture again the next day. The set includes 15ml of Dark Ultramarine, Petrol, Reseda.