Our dog collar provides calming care for dogs without harm. It can effectively relieve dogs' daily anxiety, stress, and related behaviors caused by fireworks, vet visits, storms, unfamiliar environments, noise, traffic, travel, etc. Greatly helps dogs quickly assimilate into a new environment, and prevents problem barking and other bad behaviors. Keep your dog relaxed and comfortable. How To Use: 1. Place the collar around your pet's neck and buckle. 2. Allow 2-3 inches for adjustment. 3. Cut and discard excess length. 4. You will get a calm dog.