I have made quilts using the Frixon pens for all of my kids - who live in Fairbanks, AK. The current temperature there is 14 degrees. Once when I was there it was 55 degrees below zero. Being as they keep their quilts in the house, and not outside, the pen marks have never "returned". This is more than "good enough" for me. I will continue to use the Frixon pens because I love them.
Originally Posted by
OrangeSherbet