SENTRY Calming Collar for Dogs uses pheromones that are released slowly over time to reduce anxiety in your dogs. It helps keep them calm in situations which would normally cause them stress or fear. It works by using the same pheromones that mothers use to calm her puppies. While the pheromones will be released immediately upon putting the collar on your dog, please give two weeks to a month to see full benefit. SENTRY's sustained release pheromones help keep your dog calm and without anxiety for up to 30 days. Reduce barking, separation anxiety, and destructive behavior by keeping your dog calm and relaxed. Benefits: Reduces separation anxiety Reduces barking Helps with inappropriate marking of territory Reduces destructive behavior Lasts up to 30 days Fits necks up to 28" Soothing lavender and chamomile fragrance
