Wow! Those cases look amazing! Ellie, I wouldn't mind the contact info if you can easily find it.
My sewing machine guy in NH told me to wipe the fuzzies off and heat the case with the high setting on a hair dryer. I did that and then took one of your pieces of advice and baked it in the car in the Florida heat all day long. I really hate bleach so will only use that as a last resort. He said if the mold spores are killed by the heat, I should be all set. I did bring it back to NH and will purchase a soft case for the FW that will stay in FL. The NH one can live in this case. I am going to try the black polish trick, too, just for looks.
Thank you all again!
lots2do