These are pens you can write or make marks on fabric/cloth
Perfect for tailoring, sewing, embroidery, dressmaking, sewing, quilting use
Marks made by these pen will vanishing after some time automatically in air
Marks are also water erasable, you can clear the marks immediately just with some water, very fast
Different colour marks vanishing time is different, normally it takes 1-7 days to vanish in air automatically