Paint marker with a fine point is designed for writing and detail drawing on glass; paper; wood; clay; porcelain; stone; metal and mirrors. Lightfast; pigmented paint is opaque; xylene-based; lead-free; acid-free; and weatherproof. Paint markers are great for crafting; home and office use. Paint is not recommended for certain types of plastics; leather; metals; finished wood; paper and fabric products. Paint conforms to ASTM D4236.