As long as they are scent free why not, I've used nylon screen, waxed paper, paper towel, my favorite is linden/basswood tree leaves I picked them up on a damp morning and put them in quart freezer bags and kept them in the freezer, so they didn't mold or rot.
I have used them for the past four years with good results. Ran out of waxed paper one day and tried the coffee filter and just never bought anymore waxed paper.