Natural volcanic pumice, physical stain removal for peace of mind 100% natural pumice material: natural porous structure formed by volcanic eruption, removes limescale, urine stains, yellow spots by physical friction, without adding any chemical cleaners. Environmentally friendly and non-polluting: biodegradable material, directly discarded after use without polluting the environment, mother and baby families, pet families rest assured. Efficient stain removal without hurting the glaze Fine frosted particles: softer than ordinary brush head, deep into the toilet grooves, edge of the dead corner, easy to erase stubborn stains, while protecting the ceramic glaze is not scratched. Save energy and time: no need to repeatedly brush, gently rubbing can be effective, stubborn stains can also be removed at once. Ergonomic design for effortless cleaning Curved handle + non-slip texture: comfortable grip, easy to reach the back side of the toilet, under the tank and other difficult to clean areas. Lightweight design: weighing only 150g, one-handed operation is not a burden, the elderly and pregnant women can also use it easily.