WOW! Miracle Cleaning Paste safely cleans and polishes in one step. It is versatile to work on many different hard non-porous surfaces including stainless steel, chrome, ceramic tile, glass, fiberglass and white boards while safely removing permanent marker as well as grease, stains, rust, scale oxidation an corrosion. In a paste form, it also allows for spot cleaning and easy application to multiple surfaces including ceilings and over-vertical walls without any running.