Contour felt pens make it easy to design or decorate creative greeting cards or postcards. write attractive postcards. After briefly pressing the pen tip, the silver text is surrounded by a thin colored outline when writing, with the double-line metallic marker you can write in two colors at the same time. The total line width is 1-2 mm depending on the pressure on the paper. The set contains 6 pens in pink, orange, green, light blue, dark blue and black.