Material: Made of natural pumice stone, it is safe and eco-friendly for people, animals, plants and water, and tasteless. Sturdy handle: With plastic handle, you can keep your clean hands, prevent stains, and make it easier to clean corners of the pool. Universal 3 cm diameter rod: it can be used with a universal 3 cm diameter telescopic rod, which makes it easier to clean where you need to clean. Excellent cleaning ability: can be ground into different shapes to clean narrow edges and corners that other cleaning tools cannot reach Quick and Simple: It can quickly and easily clean stubborn hard water deposits, porcelain fixtures, hard water stains, swimming pool tiles and toilet lids, without any scratches on the surface of the fixtures. Number of pieces delivered: 3 Size: 21*4.5*3.5cm