Color pencil for whiteboards and flipcharts. The pen with an XXL tip is specially designed for whiteboards and flipcharts. Ink color: Blue, barrel color: Blue. Tip thickness: 10.0 mm. Easily erasable when dry or wet on smooth, non-porous surfaces. Made from 100% PEFC-certified wood. The STABILO MARKdry combines the advantages of wooden-cased pens and is perfect for use in schools and offices. PEFC stands for the largest institution ensuring and promoting sustainable forest management through an independent certification system. Wood and wood products bearing the PEFC label are sourced from demonstrably ecologically, economically, and socially sustainable forestry.