Elisabrat, only one side of the freezer paper will gunk up your iron. You can safely put your iron on the matte side.
oksewglad, I'll have to keep that one in mind also. I keep vinyl tablecloths around a lot because of the kids. I could use the ones that get holes or unsightly stains on the vinyl side. Thanks for the idea.
Someone recenly gave me the idea of using clean pizza boxes to keep certain projects organized as well....cheap and easily stacked and organized.