I did the test on white fabric. Day 1-Marked each color, Day2-washed in hot water, dryed and put in freezer. It all came out.
The box is only $2.98 at walmart.
Originally Posted by QuilterMomma
With us up north, it gets that cold and do not want my lines to show if I mark it. I have been staying away from those. The crayola washable markers work alright for marking the quilts. At least they come out in the wash and do not reappear. Have to test on fabric first, but do their thing.