Sold as 6/ST. Stick conforms to all handwriting styles. Pocket clip-on cap keeps marker in easy reach. AP certified non-toxic; ACMI approved. Versatile chisel tip which allows for precise highlighting on both wide and narrow lines of text. This pack comes with six highlighters. Safety Data Sheet. Highlighters come in assorted colors and are ideal for marking important documents. Bright, see-through fluorescent inks. Smooth, quick-drying ink for clean highlighting. The non-toxic ink is ideal for marking documents.