POP VIEW 2019 New Version Collar, Small, Medium, Large, 7 Adjustable Levels with Sound and Vibration, No Shock, Harmless & Humane, Stops Dogs Barking, One Size, Army Green SAFE & HUMANE - At POP VIEW we don't believe in shock collars, our collar is a great way of training using only sound and vibration, and is safe to wear inside and out complying to the highest safety standards. ADJUSTABLE SENSITIVITY TO SUIT YOUR DOG - The POP VIEW anti-bark collar can be tailored to all dog barks from smaller yappy to big growling dogs with the sensitivity adjustment. EFFECTIVELY STOP DOGS BARKING - The dog bark collar is proven to correct your dogs barking by intuitively training them along with the natural ability to obey commands. SUITABLE FOR ALL DOG SIZES - The no bark collar is suitable for small, medium and large dogs from 12 -120 lbs 100% SATISFACTION GUARANTEED! - We have worked really hard in order to offer you the best anti bark collar your money can buy. If, however, you aren't entirely satisfied with your purchase, don't worry; we've got it covered by a 60-day money back guarantee.