Set 30 STABILO Power STABILO power and power max felt-tip pens have a rich colour range and are ideal for absent-minded children, as they can remain dry for up to 8 weeks without a cap! That makes them ideal for the classroom. The medium or extra-thick tip is very resistant and withstands all pressures. The ink is washable, so parents can have peace of mind with their little artists. Extra thick tip (2 mm). Includes 30 colours. Brand: STABILO.