Made of safe plastic shell and fiber refill. Acid-free and non-toxic release your concern about security.Made of safe plastic shell and fiber refill. Acid-free and non-toxic release your concern about security.Broad and fine twin tips for precise highlighting and underlining, for drawing with both thin and thick lines. Markers provide super smooth writing every time making them perfect for the young aspiring artist to the established art professional.The versatile, easy glide chisel tip is great for highlighting, underlining or writing notes. It makes both thin and wide lines.Bright, see-through colors make your highlighted text easy to read. Very cute ,useful，clear view and fashion;creative and interesting props to take with.