Universal pen for use on overhead film and almost all surfaces Can be wiped off film using a damp cloth Water-soluble ink Fast-drying Superb colour brilliancy With clip PP barrel and cap guarantee long service life Line width S Lumocolor non-permanent universal pens are perfect for being used on the following surfaces: Paper, cardboard, film, plastic, metal, polystyrene, glass, porcelaine, wood, leather and stone.