Color variety, practical, double – end pen wide range of use Thin head marker pen stroke is more strong, agile, uniform color, mostly used to outline some small parts, such as: point, line and other areas The tip of the wide marker is flat and square, with soft strokes and full colors. Because the cutting Angle of the tip changes a lot, the stroke formed by the tip changes a lot, so it is often used for some color filling 60 classic colors, suitable for adult coloring books, diary, calligraphy, coloring, writing, lettering, notes, drawing, painting, etc Ink has low odor and environmental protection Service guarantee: if you are not satisfied with our products or have any questions, please feel free to contact us