Royal Canin Mini Ageing 12+ Adult Dog Food is designed for senior small breed dogs (up to 10 kg) - Over 12 years old. Royal Canin Mini Ageing 12+ is also developed with an adapted phosphorus content, this helps to support and maintain healthy kidney function in your dog as it ages. Key Features: Healthy ageing support : Developed to support healthy ageing in small breed dogs. Rehydratable senior kibble : easy to chew and is tailored for older dogs’ small teeth and jaws