This is a specially designed cleaning product, he has a wide range of applications, can be used in the toilet, tiles, bathtubs, swimming pools, barbecue grills, stainless steel and other hard surfaces with the cleaning, through the fine abrasive way, it can quickly clean up the stubborn deposits of stains, such as hard water rings in the toilet bowl, urine stains, deposits, rust, barbecue grill grease residue, etc., the surface of the object being cleaned will not cause damage to the surface, you can make them back to as new, and the product is environmentally friendly and odorless, there is no contamination and no harm to human beings, animals, as well as water, you can feel at ease with the use of the product.CLEANING EFFECTIVENESS: cleans a variety of stains and is ideal for removing the most stubborn limescale, toilet hard water rings, hard water stains, calcium build-up, iron and rust. WIDELY USED: not only for toilets, but also for tiles, barbecues, swimming pools, bathtubs and sinks. ABOUT THE MATERIAL: the pumice brush is made of fine material with strong cleaning ability and is gentle on the surface of the toilet. It can be sharpened into different shapes for easy cleaning of narrow edges and corners of different shapes. After cleaning, just rinse with water, pumice will not be left on the surface. ABOUT DESIGN: This cleaning pumice stone has a rounded handle arc to make cleaning more comfortable during use. The pumice brush has a medium length handle that allows you to keep your hands free of water and stains, and is easier to operate with less effort and more efficiency.