●Clean with two colors! Beautiful with two colors! Two-tone highlighter marker.
●One of the inks is gray, so you can make neat and tidy markings even when using two colors.
●By painting different tones of eye-catching color and concealing gray according to importance, you can make sharp markings.
●You can color-code by simply turning the pen around, so there is no hassle of switching the top and bottom of the pen or opening and closing the cap.
●The ink color is designed to not irritate your eyes when marking.
●You can mark with two colors with one pen, so your pen case won't be bulky.
●You can easily see your progress and manage your schedule comfortably.