This water-erasable marking pen from Prym has a lot to offer on both sides. On one side there is a felt-tip cartridge with turquoise-coloured water-erasable ink, which can be really easily removed from the fabric with water. On the other end of the marking pen there is an eraser cartridge, which can be used for erasing relatively fine details over smaller surfaces. The traced markings must be removed from the fabric without fail before ironing, since the heat from the iron will fix them. This marking aid from Prym is fantastic for sewing, patchwork, quilting and embroidery. Storing the marking and eraser pen upright will prevent it drying out. Important: before using the marker pen, use it to mark a test piece of fabric and then test the removal of the marks from that piece of fabric.