I have a vinyl tablecloth hung backwards against the wall with the flannel side facing outward. I've been using the same one for 12 years. lol... It's a red checkerboard and the checks show through a bit which is really rather helpful and provides a faint grid. But that was serendipitous. My husband painted a narrow board (white) and screwed it (or nailed it? not sure) across the top of the tablecloth to hold it steady.