Comfort Zone Dog Appeasing Pheromone Behavior Control Spray, 2 Ounce each (2 Pack) Pack of Two 2oz Bottles of Comfort Zone Dog Appeasing Pheromone Behavior Control Spray Reduce signs of stress associated with new puppy or shelter dog adoption or transition from a breeder Reduce signs of stress from loud noises such as fireworks or thunderstorms Clinically proven effective and veterinarian recommended; drug free