My dogs love them, and keep busy chewing on them for hours. I have to keep them around always, because they are constantly looking for them. It's an excellent investment!
These used to be the very best treat. They would keep a small dog busy for hours! Over the past few months, I've purchased the 8" size both here and locally, and they have become thin and stretched out. A very expensive treat for a very short time. Merrick says that because they are "natural" they have no control, but...