Thank you very much for viewing. This is Royal Canin Urinary S/O Olfactory Light 4kg. Product Description: Urinary S/O Olfactory Light for cats is a specially formulated dietetic food intended for cats with lower urinary tract disease (struvite urolithiasis and calcium oxalate urolithiasis). This diet adjusts mineral components such as magnesium. It also has a unique aroma composition to stimulate appetite, and further adjusts the calorie density to be low, considering excess weight. Expiration date: 2027.3.18 ◉ The actual color may appear different from the photos. ◉ I live with a cat. Please refrain from purchasing if you are concerned.