Ok so I didn't get the 50 pack, but that's the only one popping up. Anyway, my dog likes to chew everything, literally anything. Door knobs, carpets, ladles. Oh yes. We've tried so many other bones and she'd get bored pretty quick. With this one she's busy all the time and literally won't leave this bone alone. It also makes her tired eventually so she doesn't feel like chewing anything else. The best part is, that it doesn't make my dog puke. She has such a sensitive stomach and everything else we've tried has made her pretty sick. Definitely buying again.