A burst of spray keeps the barking at bay with the help of the PetSafe? Spray Bark Collar. The collar consistently teaches your dog not to bark using innovative bark-sensing technology and a gentle spray stimulation. The safe and easy-to-use collar is designed to ensure that no other dog?s barking or outside noises will cause the collar to correct. The spray collar comes with 2 spray cartridges in 2 scents, unscented and citronella. Try both to see which one works best for your dog! Each replaceable, recyclable spray cartridge contains approximately 35 sprays. This lightweight collar fits pets 3.6 kilograms and up and adjusts to fit neck sizes of up to 68.6 centimetres. Within as little as two weeks, your dog will learn to associate his barking with a stimulation and change his behaviour. Your pet deserves the best. Trust PetSafe? to help keep your pet healthy, safe and happy.