Greasy lead resists water marks slick surfaces that pencils or markers can't. Wipes clean from plastic, china, glass, transparencies, etc. Paper peels off as lead is used. PMA certified non-toxic
Key Benefits Moisture resistant. Smooth writing. Non-toxic pigments. Key Applications The economical solution for marking on porous and non-porous surfaces such as paper, cardboard, plastic, wood, glass, ceramics and some metals.