For more than a decade we’ve worked side by side with leading pet experts and top universities researching safe, effective ways to help pets lead happier, less stressful lives. 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. Safe and effective for use by dogs of all ages and breeds.

· Reduce Fear Of Loud Noises: Sentry Calming Collars For Dogs Are Scientifically Proven To Reduce The Fear Of Loud Noises, Bad Behaviors, And Excessive Barking Among Dogs.

· Reduce Stress: The Sentry Calming Dog Collar Reduces The Fear Of Loud Noises, Such As Thunderstorms And Fireworks.

· Eliminate Unwanted Behavior: Sentry Dog Calming Collar Helps Stop Your Dog's Or Puppy's Excessive Barking.

· Safe & Effective: This Calming Canine Collar Is Safe And Effective When Used As Directed, Without Long-term Side Effects.

· 30 Day Release Sentry Calming Collar For Dogs And Puppies Releases Pheromones For Up To 30 Days.

Check out all details: Sentry Calming Best Collar for Dogs