STABILO power felt tip pen is for everyone that likes to create wonderful pictures with cool pens in school, at home or with friends. These pens are ideal for the heavy demands of the playroom or classroom and are designed to last with up to 8 weeks cap off time and push resistant tip. With its washable ink there is no need to worry if kids end up with it on their hands or clothes. . 144 Assorted colours. Washable ink. Up to 8 weeks cap off time. Push resistant tip and vented cap . Washable ink