Sentry 05321 Dog Calming Collar

Sentry calming collar for dogs is scientifically proven to reduce the fear of loud Noises, excessive barking, and destructive behavior. This collar releases calming pheromones for your dog for 30 days.

Highlights:

• Pheromone technology helps reduce fear of loud noises
• Bad behavior
• Excessive barking
• Lasts 30 days