I make mine into a pillowcase and then you can take out the foarm core board and wash everything. I also use 1/4" plywood and DH cuts it to fit into my pillowcase.
Originally Posted by JoAnnGC
I use foam core poster board from Hobby Lobby or the local dollar store. I make a fabric sleeve to fit snugly over it and then hot glue or slip stitch the open end closed. This is inexpensive and can be cut easily with an exacto or razor knife.