Bright, vivid ink is specially formulated to be low-odor. Great for use not only on whiteboards, but on most glass topped surfaces as well. Low odor makes it perfect for use in classrooms, small offices and homes. Easy snap cap stores conveniently on the back of marker. Erases cleanly and easily with a dry cloth or Expo eraser. AP Certified Non-Toxic ink. Ink erases easily and completely. Results on some surfaces vary and may require the Expo® Complete Care System.