Sentry Calm Collar Dog 3pk

Pheromone technology is proven to modify stress behavior such as inappropriate marking, excessive barking and chewing
Modifies stress-related behavior that may occur during travel, thunderstorms, fireworks and new social interactions
Sustained released pheromones are proven effective to last up to 30 days.
Helps dogs and puppies feel safe and secure
Safe & effective - can be used without long-term side effects