Sentry Calming Collar For Dogs, 23, 3 Pack

Sentry Calming Collar For Dogs, 23, 3 Pack has a pheromone technology thatis proven to modify stress behavior such as inappropriate marking, excessive barking and chewing. Modifiesstress-related behavior that may occur during travel, thunderstorms, fireworks and new social interactions. Sustainedreleased pheromones are proven effective to last up to 30 days. Features: Helpsdogs and puppies feel safe and secure Safe& effective can be used without long-term side effects