Dog Bark Collar - Vibration and Sound Automatic Training Device Air Purifiers � Offers good air permeability

� Offers good air permeability and full elasticity

Buy several to cover your big outdoor spread

The design of three independent air chambers allows you to accidentally damage one of the air chambers when you accidentally hit the reef or other sharp objects during use

24 pieces in each bunch

Color: Red(2 pairs)

Dog Bark Collar - Vibration and Sound Automatic Training Device Air Purifiers � Offers good air permeabilityThis automated dog training collar is a humane, safe and highly efficient for pet education. It is composed of a collar with Vibrating and Sound only unit in which the unit is put on the dog's neck and will automatically sound and then vibrates when your dog barks. How this automatic dog collar works? An internal microphone picks up the bark sound and the dog collar is automatically activated The dog collar starts with emitting a beeping sound of 1