2mm acrylic marker for creative work. Box of 6 markers: black, white, blue, purple, red, green. The perfect tool for any of your projects. Highly opaque, quick-drying and with high color brilliance. The optimized ink is suitable for virtually all surfaces: wood, metal, paper, cardboard, rock, etc. The water-based and virtually odorless ink is perfectly adjusted by means of a valve, exactly how you need it.