Dangerous Dog Muzzle Silicone Mask - Size 4 Educator Collars If your dogs stop barking

If your dogs stop barking for 10 seconds then it will go back to level 1 where it started

5 Adjustable Levels Of Static Stimulation - Includes Tone And Vibration Modes

it is completely waterproof and uses the RFA-67 Battery

Additional wires can be added to expand the boundary

Don’t get stuck with a dead battery which allows your dog to escape

Dangerous Dog Muzzle Silicone Mask - Size 4 Educator Collars If your dogs stop barkingDurable Silicone Muzzle Dangerous Dog Mask This durable silicone dog muzzle will keep your dog from biting when unexpected triggers will show up especially while outside with people and other animals during your walk or at the dog park. It is made of thick and sturdy silicone material that guards your dog's mouth with comfort. It comes with adjustable and tough nylon strap so it can easily fit to different dog sizes. Size 4. (10cm x 6cm x 13cm x 39cm)