CONVENNIENT AND EFFECTIVE: Size is just right to hold, and can be easily used to clean stains and hard water rings from toilets. It can also be polished to make it appear sharper so it can clean narrow corners that other cleaning products cannot reachMATERIAL, PRINCIPLE: Pumice stone toilet bowl clean brush is made with pumice. Stubborn stains can be quickly removed by rubbing, and iron while not creating any scratches6 Packs Contained: Meet the daily needs of the family, easily remove stubborn stains, easy to store and carryTOUGH: Its more than 34% more dense than similar products to last longer and clean betterQUICK, VERSATILE: Pumice stone for toilet clean calcium sediment, limescale, and hard water rings on toilets, sinks, bathroom tiles, and other ceramic surfaces. It can also be used to Remove rust and Oil stains from grills and ovens