Originally Posted by
sewnsewer2
It depends where it it fit. I cut mine 9 x 11 because it will fit in my cubby that way. I get mine at the $ store. I can get several out of 1 sheet.
I cut my boards 5" X 12" or 6" X 12". They fit on my shelves nicely that way. I also got my Foam board at the Dollar Tree.