Perfect for cleaning away the most stubborn build ups of limescale, hard water stain, calcium buildup, even YEARS of tough lime and stains.,Maryton pumice stick is abrasive based, made from glass material.,Works when the strongest cleaning tools fail. Easily remove dirt through friction. It gradually wears down while refreshing your toilet. It could be a game changer than buying a new toilet.,Suitable for various use, including toilet bowls, stainless steel sinks, bathroom tiles, grills, swimming pools, bathtubs, etc.,Instructions: Wet the pumice stone, then test in a small area, keep the pumice stone and toilet surface moist throughout use, and then scrub to easily remove the dirt.