ADAPTIL Calm On-the-Go Collar, Helps Dogs Cope with Stress and Anxiety Related Behavioural Issues and Life Challenges Especially When Out and About - Small Dogs (Packing May Vary)ADAPTIL Calm On the Go Collar, helps dogs cope with stress and anxiety related behavioural issues and life challenges especially when out and about Small Dogs Contains a synthetic copy of the 'dog appeasing pheromone' which a mother naturally releases to calm and reassure her litter It has the same effect on adult dogs Communicating to dogs, like dogs SCENTLESS and Species specific no effect on humans or other pets Scientifically proven, studies to