No scorch, no shine, no burn, no press cloth, makes ironing easy. It makes the sole-plate of your iron new again, it's reversible and fits all irons. It's made of fiberglass with a non-stick surface. Starch and fusible wipe right off. Nothing burns or scorches from cotton to silk or denim to lace. Iron over sequins, puff paint, glitter, motifs without damage. Easy for use on seams, darts, pleats and creases. It gives your sewing that professional look.