I use my pressing sheet all the time with applique. You can see through it so you can arrange all the pieces on the fabric and press them in place. I also use it when I don't want the iron to touch the fabric -- like when using fusible interfacing and I don't want the fusible to stick to the iron or the ironing board. I roll mine up and store in a toilet paper roll. It can be washed off easily. I even have a smaller one that I use for small areas. I also use it when putting on fusible rhinestones or fusible patches. I've used it when using stitch witch.