Purina ONE Small Bites Beef & Rice Formula - Dog FoodPurina ONE Small Bites Beef & Rice Formula for adult dogs is a high protein (26%) diet delivered in a small nutrient dense kibble that fits comfortably in your dog"s mouth making it easy to chew and digest. Protein rich beef and readily digestible rice contributes sustainable, healthy energy for your adult dog. Delicious, crunchy kibble your dog will love also helps keep teeth clean by reducing plaque build-up..