The first ones are Pilot Frixion erasable pens. The draw like regular rollerball pens, but as soon as you iron them the ink disappears. You can can buy them at any stationary store in black, blue and red, but I ordered mine in a myriad of colors from Amazon.Frixion erasable pens on Amazon. Some people don't like them, because they erase with heat and they do leave a slight almost invisible line. If you put the garment in the freezer, the color comes back. Some crazy science going on here. I find the indispensable for marking lines for handsewing and corset channels. I'm not going to wear my corset in the freezer. Here is a review with pictures from Delightful Quilting.
|Don't let the Japanese writing fool you. These are the same pens. They come in even more colors than this.|
|You can sew through it and use it as your mock up instead of a whole separate muslin|
|and the package is pretty|