Expo Low Odor Ultra Fine Tip Dry Erase Markers with Built-in Eraser and Grip, 12 Colored Markers Chisel tip markers with built-in replaceable eraser, comfort grip and easy grip cap. Low-odor, nontoxic ink. A smart marker designed by users for users, featuring a built-in replaceable eraser for quick and accurate erasing. Comfort grip offers more controlled writing. Solid barrel graphics for easy color identification. Easy grip cap.