REDBARN Premium Pet Products Bully Barbells Mini Size (Case of 25) 25 pack of Mini Bully Barbells Redbarn Bully Barbells are made of natural beef muscle and are designed to stand up to hours of chewing These single ingredient chews are twisted to provide durability and help reduce your small or toy breed dog's stress levels by offering a tough chew Natural chews like our mini barbells help to maintain small dogs' healthy smiles Our great rawhide alternatives contain no grains, glutens, artificial colors, flavors or preservatives