Barkworthies Odor-Free Standard 12" Bully Sticks Dog Chew are all-natural 100% digestible beef pizzle for medium to larger size dogs. They’re long-lasting chews that promote good dental health and prevent bad breath. It’s best to supervise your pup while he’s chomping on these. These single-ingredient bully sticks are the perfect alternative to traditional rawhide. Plus, they’re virtually odor free.