Adaptil - Collar for Dogs - Stress Relief - 37.5CMOverview: Collar that favors the welfare of puppies and adult dogs in situations that can cause fear and apprehension; reproduces all the properties of maternal natural "pheromones". The collar can be used both inside and outside the house for: promote socialization (other dogs, people, new situations); control the fear of the outside (dogs, strangers, traffic, thunderstorms and other vulgar humans); inserting the dog into a new environment (new home,