Originally Posted by GrannieAnnie

I'd soak them for a couple days in a huge tub even a plastic trash can with a heavy dose of Oxyclean. Put something heavy on top of them to squish them up and down. Rinse, look at them then maybe put them back in another oxyclean soak. After you are happy with them, lay them out somehow, maybe on a wooden porch wiht a sheet under them to let them dry. Don't get in too big a hurry, do one and don't rush. When that one is put out to dry, start the next one. DO NOT HANG THEM TO DRY, puts too much stress on posssibly weak fabric &/or seams