?Designed For Heavy Duty Clean?Pumice Stone Can Solve Dark Ring Inside The Toilet And Hard Water Stains That Conventional Brushes And Cleaning Detergent Fail To Remove,Scrub The Bowl With Pumice Sticks Go Over Tough Areas,Clean The Bowl With The Cleaner Of Your Home,And Then Scrub Again,You Will Get The New Toilet; | | ?Suitable For Multi-Dimensional Cleaning?Pumice Scouring Stick Was Used On Toilet Bowls,Bbq Grills,Gardening Tools,Tile,Pool,Kitchen Or Washroom Sinks,Tubs,Rust From Workshop Tools Etc; | | ?Eco-Friendly And Safe Material?Pumice Stone Are Made Of Eco-Friendly,Safe For Children And Pets,Toilet Stone Cleaning Block Won'T Scratch Your Ceramic Tile And Metal; | | ?Quickly And Easily?Pumice Stone Block For Toilet Can Be Shaped To The Size Fit Your Toilet Quickly,Curved Or Flat Surfaces,And Then Erases Toilet Bowl Rings In Seconds With The Floatstone; | | ?Directions For Use?Wet The Pumice Stone With Water,Test On Small Area To Determine Scratch Resistance,Then Rub.