Environmentally Friendly MaterialCleaning pumice stone is pure natural volcanic rock, which is porous, anti-corrosive, light and natural. These pumice stones are environmentally friendly and do not contain chemicals; they have no strange smell and are healthy.Can Be Used Many TimesAlthough these pumice stones become smaller and smaller during use, they can be used many times to eliminate stains, because they rely on the irregularities of the surface to play a cleaning role.Great Cleaning PowerAs the surface of these pumice stones is irregular and these pumice stones are porous, they are an ideal choice for removing stubborn stains, such as limescale, hard water stains, etc. In particular, they do not cause scratches on toilets, ceramics, bathtubs, etc.Useful DesignThese cleaning pumice stones have a handle with a hole at the bottom.So when pumice stones are not in use, they can be stored easily. Besides, the handle can protect hands from getting dirty and make the pumice stone convenient to use under water. Multiple ApplicationsThese stones cleaning pumices can be used to clean toilet bowls, ceramics, bathtubs, hobs, sinks and stubborn deposits on other objects.Of course, these pumice stones are also a good tool to perform the foot care. Product These pumice stones are pure natural volcanic rocks which due to their corrosion resistance, high strength, non-polluting and uneven surface, are an ideal and environmentally friendly cleaning tool. They can be used to clean stubborn stains, such as lime deposits in toilets and sinks, bathtubs, stains stuck on the grill pan or grill. It is perfect for removing dead skin from the feet. Tips: 1. Do not use these pumice stones on sensitive, polished or painted surfaces, otherwise they will probably cause damage to these surfaces. 2.If the dirt is thick, cleaning may take a long time.< /p> 3. when the protective film is removed from these pumice stones, a fairly fine dust is released. To avoid inhaling this dust, we recommend that you use the pumice stones with a mask, especially if you are allergic to dust. 4. If you need to clean up some edges, we recommend using other tools to cut the pumice stones into the correct shape and size. Instructions:< p> 1. Wet the pumice stone before using it, wet only the part to be used; 2. Scrub the deposits, without forcing too much; 3. Rinse the dirty place and the pumice stone, then keep the pumice stone dry. Package: 4 Pieces Cleaning Pumice Stone with Handle