Capture ideas, brainstorm with your team and get creative with Quartet Dry Erase Markers. The distinct black ink helps ensure that your message is communicated clearly. If left uncapped, DryGuard ink helps the marker recover when recapped for 24 hours.Create thin lines with the fine point tip. The precise lines are perfect for clear, distinct handwriting and detailed drawings. Make corrections in an instant using the magnetic eraser cap. When done, you can store the marker directly on your magnetic whiteboard. These whiteboard markers are non-toxic and low odor. Perfect for any workspace, including classrooms and offices. This 36 pack contains 12 black, 8 red, 8 green and 8 blue markers. Tested with DryGuard markers left uncapped for 24 hours and given an equal recovery period. Results may vary with uncapping duration and environment.