Coloured pen for whiteboards and flipcharts. The pen with XXL refill has been specially developed for whiteboards and flipcharts. The line colour corresponds to the barrel colour. Lead thickness: 10.0 mm. It can be wiped off dry and with a damp cloth on smooth, non-porous surfaces. Made from 100% PEFC-certified wood. The Stabilo MARKdry combines the advantages of wood-cased pens and is perfect for use in schools and offices. PEFC stands for the largest organisation for ensuring and marketing sustainable forest management through an independent certification system. Wood and wood products with the PEFC seal are proven to come from ecologically, economically and socially sustainable forestry.