Set of 20 brush pens with concentrated, transparent watercolour paint. Comes with 18 brilliant colours: Light yellow, deep yellow, chartreuse, light orange, vermillion, carmine, magenta, blue violet, ultramarine violet, sky blue, prussian blue, turquoise blue, light green, green, forest green, yellow ochre, deep ochre, burnt sienna, a black, and a blender. Adheres well on watercolour paper, drawing paper, and cardboard.