It was several different pieces of fabric from my stash, all cotton, no idea of the brand.
Originally Posted by BellaBoo
What brand was the fabric? was it cotton? fabric line? I haven't had any problem at all with the original FriXion pens. The formula may have been changed in some batches of pens. It's not made for quilting or advertised for quilting, same with the washable markers. The formula changes all the time with those.