Originally Posted by
themadpatter
I thought they were mostly cotton, too, but i was looking in Goodwill during their last sale, and all the really pretty ones were rayon. I found a couple to use on the back of the t-shirt quilt, but not many. O think I'll do a practice one with rayon, to see what happens. Will report back when done.
You can also try and sell them on ebay and buy fabric from the money you made.