Originally Posted by
quiltedsunshine
I've seen rotted cotton fabric in a plastic tote twice. And I ruined the quilt my grandmother gave me when I was eight, by putting it in a plastic garbage bag and storing it in a storage unit for about a year. These were both in California. I wonder if heat and moisture play a part in it.
I think the composition of plastic garage bags and hard plastic containers make the difference, as well as heat and moisture.