Nulo FreeStyle Grain Free Duck Training Treats 4oz Nulo makes training easier and healthier with Grain-Free Duck Recipe Trainers Only 2kcals/treat to support healthy weight with low calorie boost with honey, cherries & blueberries Perfect for puppies with guaranteed levels of DHA and Omega-3 fatty acids No artificial preservatives, smoke flavors or artificial colors No grains, soy corn, wheat or gluten-containing ingredients.