Bicolour fibrepens with a 5 mm Can be used to create strokes from 0.75 mm to 3 mm. 10 bicolour fibrepens with double tips a total of 20 colours. The tip is impact and pressure-resistant. Water-based paint which creates bright, easily-applied colours that can be mixed together. It can be easily washed out of most fabrics (soak the item in cold water for an hour and then machine-wash on a cold setting). With a perforated safety cap