Review on Exuby Gentle Bark Collar for Small Dogs - Prong-Free, Shock-Free & Harmless - Sound and Vibration Only - 7 Levels of Intensity - Rechargeable - Most Humane No Bark Collar by Kristin Lane

Collars have really worked on our two little puppies who decided to become barkers. I ordered them on purpose because they don't have shock. For the first two days I was amazed at how well they worked and definitely reduced her barking by 75%-80%. It's huge! We were so excited about that. The problem started on the third day. Each collar began to crumble around the edges. On the fourth day there was only a large bobble on the collar. We can no longer put them on our puppies because the collar has become a huge ball. I want to return the collars because they really help get rid of excessive barking. I will send them tomorrow and try again with a different type of material. If you need a (humane) collar that doesn't shock, this one will really help. But if only we could keep him from bleeding to death right before our eyes for two days.