Adaptil Collar JuniorSize: Junior ADAPTIL Junior is the effective solution to comfort newly adopted puppies and facilitate their education. Comforts puppies through the challenges of adoption and beyond. E. g. helps prevent crying all night, support for staying home alone, loud noises or puppy car travel. Promotes better socialisation and improves learning (at puppy training classes) Clinically proven. Veterinary used and recommended Just put the collar around your puppys