Pumice stone for cleaning calcium sediment, limescale, and hard water rings on toilets, sinks, bathroom tiles, and other ceramic surfaces. Can also be used to remove rust and oil stains from grills and ovens. Made with 100% natural pumice. Chemical-free, non-toxic, eco-friendly, odorless, and safe for people, pets, plants, and water. Versatile uses: pumice sticks can be used to clean tile, bathrooms, and kitchens, remove hard water stains, clean rust from grills, and remove lime, calcium, and rust buildup from pool tiles or spa surfaces. Ideal for cleaning pools, kitchens, barbecues, and toilets. Includes multiple cleaning sticks for various household cleaning needs. Wet the pumice stone before use. Can be shaped to reach narrow edges and corners. May also be used to gently remove dead skin, safe for personal use. SPECIFICATIONS: Dimensions: 5.9 x 1.4 x 0.9 inches. Instructions: Wet the stone before use and gently scrub the surface. Color: Grey. Material: Pumice (foam glass). Package Contents: 6 x Cleaning sticks. Note: Light and display settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.