Because it is a pale color, it is easy to read the characters marked. It draws a lot, even if you use multicolor, it is not noisy, it is best for marking the schedule book and the reference book.
Because it is a pale color, it is hard to show off, and the influence on the back side page is small.
Because you can color differently by simply turning around, there is no troublesome to switch over and trouble of opening and closing the cap.
Because it is one in two colors, it will not be bulky when carrying multiple fluorescent markers.
