These very versatile nylon-tipped brush pens from Pentel allow you to fill the barrel with any water-soluble medium, water-soluble inks, water colours or gouache) to use for lettering or painting.
Control the density of colour by squeezing on the barrel of the brush pen to make the brush wetter or drier.
It's also an ideal companion for the watercolour pencil artist. Using a water filled barrel you can create imaginative blends and washes with your watercolour pencils.
Available in three different nib sizes to create a variety of effects - Broad, Fine, or Medium.