Originally Posted by sewbizgirl
...I've never had plain fabric shrink anywhere near 10%...
I have! It was a solid royal blue Country Classics that I bought at JoAnns. Started at 45" wide... and after washing, it was 41" wide.
:-(
Also... Monk's cloth shrinks a LOT too. Not that you'd ever use it for a quilt, of course... but if you were going to use it for a throw of a certain size, that could be a problem.