I wash and iron them also. They shrink too. Thank you for the reminder to check and make no assumptions.
If you sew a lot and always looking for bargains,it pays to keep a small retractable tape measure in your purse./Lillian
I have learned(the hard way) that all precuts are not created equal!!!Wish someone had given me a heads up ;like you have done.
the same goes for charm squares, I've gotten a few that are "off"