ROYAL CANIN® X-Small Ageing 12+ dry food is suitable for very small adult dogs over 12 years of age weighing up to 4 kg. This complete food is specially formulated to meet the complete nutritional requirements.As your dog ages, it becomes even more important to maintain the health of its body functions to ensure optimal overall health. X-Small Ageing 12+ dry food is specifically designed to support healthy ageing in very small adult dogs. To support digestive health, it contains a balance of dietary fibres - including psyllium - which help to facilitate good intestinal transit. In addition, it contains a host of other nutrients and antioxidants that help support healthy heart function. Facts about Royal Canin X-Small Ageing 12+:Supplementary food for older dogs of very small breeds.Specially formulated to support healthy ageing.Helps support healthy heart function.The kibbles are specially designed for very small jaws.