I am so mad about the black pencil from sewline. I used it to mark a quit pattern for quilting and then it does not wash out. I have the white one that comes out clean and so bought the black. I have just been searching for tips on line and find that everyone says that the black will not come out.
I used it on a quilt I made for charity and guess it will be ok, but I had started to mark a second top as well. Guess I will try to erase and wash the top and mark with something else. What a pain....Do not use sewline black on anything that will show ........................but good for marking half squares, etc.