Perfect For Cleaning Away The Most Stubborn Build Ups Of Limescale, Hard Water Stain, Calcium Buildup, Even Years Of Tough Lime And Stains. | | 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. | |