Just pop it into a dish and go! Maintain healthy lower urinary tract Easy and easy softening ceramic "PON on Dish" for your precious cat. Simply place it in a pong and water dish, reduce magnesium and calcium in tap water and turn it into a gentle water (soft water). Magnesium and calcium are vital minerals for animals, but it prevents overdose so you can consider the health of the lower urinary tract. It is also important to collect more moisture and increase the number of urination. From day to day use, meals, obesity, lack of exercise, etc. If you notice any abnormalities, please consult a veterinarian immediately. This product is not intended for treatment of diseases. (How to Use) Water Capacity Estimate: Approximately 10.1 fl oz (300 ml) per piece. Lightly wash with water before use. ● Please submerge it into your drinking plate. The effect lasts for 30 days. Replace it every 30 days. Please use caution for cats who may play with this product. In the event that this product gets caught or gets dirty, please wash it lightly with water. Please do not use detergents or other similar products during this Contents: 1 piece.