Freezer paper is used to wrap up meats for freezing. The meats are wrapped against the waxy side to protect the surface of the meat, as well as to help prevent moisture loss, but the paper on the outside is meant to be a surface that could be written on for labeling purposes
Freezer paper is also great material to wrap pieces of cheese in to allow the cheese to breathe but not dry out.
Freezer paper could also be used in craft projects like printing on fabric and quilting.
Its great for crafting, book covering, party table cover, non slip stencils, protections, drawing, wrapping gifts etc, shelve lining, kitchen counter protector, banners, spill catcher and much much more...