Welcome to the Quilting Board!
Mine are plastic, but I keep them wiped inside & out. I would not want to touch yucky bags, I'm sure the workers wouldn't either.
...the importance of one's life lies not in money or celebrity, but in doing the right thing, even in silence or secrecy, and without reward... Fergus M. Bordewich
Jesus answered, "You don't understand now what I am doing, but you will understand later."
John 13:7 NCV