New plastics off gas as well. Those gases can change the color of things, including some hand-dyed fabrics. That's why I don't use plastic to store my fabrics.
Originally Posted by jaciqltznok
NO, actually some of the old plastics and bakelite would actually releases gasses when stored in air tight containers. Others were damaged by sunlight...OLD white buttons that are not mother of pearl really do not hold up at all! you can paint them, but if there is already a chemical break down going on who knows what adding MORE chemicals might do to them!