Royal Canin Size Health Nutrition X-Small Puppy Dry Dog Food Royal Canin X-Small Puppy Dry Dog Food Is Tailor-Made For Puppies Up To 10 Months Old With An Expected Adult Weight Of No More Than 8 Lbs Meets The High Energy Needs Of Extra-Small Puppies With Key Nutrients Needed During Their Short, Intense Growth Period Supports Developing Immune Systems With An Exclusive Blend Of Antioxidants And Vitamins Exclusive Extra-Small Kibble Designed For Miniature And Toy Puppies With Tiny Jaws And Picky Appetites Promotes Optimal Stool Quality With A Specifically Tailored Blend Of Fibers