Pumie® Toilet Bowl Ring Remover™ is the ultimate solution for clean and pristine toilets and urinals. The innovative design and powerful Pumie® stone act as an effective scrubber, septic-safe and hard water cleaner, and limescale, rust stain and hard water stain remover. Say goodbye to tough stains and buildup—the Pumie® Toilet Bowl Ring Remover™ gets the job done quickly, safely, and effectively, leaving toilets and urinals looking fresh and clean with every use. May also be used on porcelain sinks, showers, tubs, ceramic tiles and grout. Works faster and better than chemicals and cleansers. Non-toxic and safe in all working environments. Scouring Pads/Sticks Type: Stick; Material(s): Pumice; Size (W x L): 1.5" x 5"; Color(s): Gray.