This set includes three fine liner pens and one brush pen. All the pens contain waterproof jet black ink, making them the perfect complement for watercolor and other water-based mediums. In addition, they work wonderfully with our Artist Markers, making this a great all-purpose marker set to keep handy. Use the pens to draw crisp black lines on your projects, practice your calligraphy, write a personalized message on your cards, trace your drawings, or jot down notes. Whether you enjoy journaling or simply need a set of high-quality pens in your craft room, this is the perfect go-to bundle!