The Therapet Dog Pheromone Diffuser Set includes 3 plug-ins and 2 full bottles and 1 half bottle of pheromone diffuser product. This kit is designed to help calm and reduce stress in dogs, promoting a sense of well-being and relaxation. Made by the brand Therapet and originating from China, this diffuser set is a convenient and effective solution for pet owners looking to create a calming environment for their furry companions.