My 3 dogs love these! They even hold up to my Mastiff who is a tough chewer & help to keep teeth clean. No mess to get into the carpet, & they don't break up without MUCH time & effort on the dogs part. They don't need replacing very often. We have several around the house so that everybody has one.
These bones are AWESOME! I bought 2 10" bones for my pitbull and lab over a year ago, and they are STILL chewing on the same ones. They have lasted a really long time, and the plus side to it, is that they come pre-sterilized so there isnt an oily residue all over my carpets making a huge mess. Also, they are hollow, so I put peanut butter and other treats inside when I leave home and it keeps them quite busy licking it out!