People will tell you these are everything from poisonous to intestinal blockage. The later of which is a possibility. I don't know what to tell you except that all dogs LOVE them. I have a small dog, he could NEVER get one down his throat, so he chews on them. By the time he gets in nawd down to something that could fit down his throat, he's thinned it out too. I don't know what happens to most of them, if they get lost outside or what, but I find little remnants of them around the house occasio...