Brushmarkers PRO contain 2.4 ml of paint "ink". Manufactured using "liquid ink" technology these Brush Markers maintain their intensity of colour until the very last drop! This superior technology allows you to control the amount of "paint" used making then twice as efficient as traditional filter markers. In addition, they are equipped with a Japanese super durable and flexible nylon tip. They contain non-toxic paints with an intense dye based colour. The colours can be mixed, lightened and blended through tonal transitions by contacting the ends of the markers. The thematic set, which includes 12 colours: Canary, Gold, Amber, Lilac, Royal Blue, Turquoise, Grass, Henna, Black, Red, Cerise & Ocean Teal