Royal Canin X-Small Adult Dry Dog Food. X-SMALL Adult Health Nutrition™ provides very small dogs up to 8 lb, with nutritional solutions to support their common particularities including a tiny jaw, high energy requirements and sensitivities to constipation. A precise Health Nutrition formula can help to ensure a long and healthy life. Features & Benefits: HEALTHY IMMUNE SYSTEM Clinically proven antioxidants (vitamins C and E) and prebiotics for a healthy gut to help maintain a healthy immune system. HEALTHY DIGESTION Easy-to-digest proteins and precise levels of various fibers, including prebiotics, to help support a healthy microbiome. HEALTHY TEETH AND GUMS Kibble designed to scrub teeth with every bite. Available Sizes: 2.5 lb (1.14 kg) / 14 lb (6.36 kg)