Science Diet Adult Perfect Weight Small & Mini Chicken Recipe Dry Dog Food, 4lb. Hill's Science Diet Perfect Weight Small & Mini dry dog food provides delicious, breakthrough weight management nutrition with clinically proven technology for: Safe & effective weight loss with visible results within 10 weeks Healthy weight maintenance & long lasting weight support Lean muscle support Recommended for: Adult dogs, including those that are less active, neutered or otherwise prone to weight gain. Available Size: 4 lb (1.81 kg)