Retractable Highlighter Pens help you express your unique creativity with the pop of color your project needs. Chisel tip highlighters are AP certified nontoxic. Keep this set in your desk drawer, art bin or backpack for creativity at your fingertips. Create personalized greeting cards. Sketch out a new idea. Add dashes of precise color to any project. Add some beauty to your bullet journal or planner. Bring a touch of color to handmade cards, letters and art presentations. Gift your favorite budding artist with a complete set. Highlighter pens are excellent for marking up important passages in texts.