Karin Brushmarkers PRO contain 2.4ml of color each. They were produced with 'liquid ink' technology, which means the intensity of color lasts through the last drop. They are 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 color. The colors can be mixed, lightened and obtain tonal transitions by touching the ends of two different markers. Colors included: Sulphur Yellow 269, Orange Red 051, Fire Red 092, Red 209, Lipstick Red 181, Rose Pink 168, Magenta Red 170, Burgundy 075, Cerise 375, Magenta 359, Red Lilac 358, Pale Violet 247