The Dritz Fons & Porter Multi-Purpose Pressing Sheet is designed to work with a dry iron. This sheet is commonly used to protect any fusible from coming in contact with the base of the iron. It's a handy accessory for quilters and is very useful for pressing embroidery or appliqué projects. Just place this pressing sheet on your finished project and iron it. The heat easily penetrates through the sheet and irons your garments to perfection.