Cut off the side that has the holes for a three ring binder.
Now you have a short side that is open and a long side so you can easily slip the page protector over a workbook page or a textbook page.
It’s the perfect writing surface for white board markers or Vis-à-Vis pens.
Best of all it saves your workbook for use with another child or resale.
Minimizing our carbon footprint in the tree house,