The Highlighter Marken Pens Faber-castell multi text liner sets feature ultra-fluorescent ink and a chisel tip for three line widths of vibrant color that provide the best color to the drawings. Furthermore, a large ink supply ensures consistent highlighting on the page bright colorful ink sticks out. These can be refilled with Faber-Castell text liner ink and feature a non-porous PP body for longer shelf life. The Highlighter Marken Pens provided by us are great for students, officials, and professionals. The marker pens are easy to handle and operate because of their lightweight, soft-grip, and perfect diameter.