Natural Edible Dental Chews Regular ~ For Dogs 25-60 Lbs. Clean Teeth & Fresh Breath. Grain Free. Easy to Digest. No Fillers or Additives. Healthy & Natural If you love your dog but aren t quite ready to share your electric toothbrush with him, Z–Bones® can help. Our potato-based chews maintain dental hygiene by scraping and polishing your dog s teeth. They support fresh breath and clean teeth — naturally, without gut-clogging wheat gluten, nasty corn starch or synthetic chlorophyll. So forget the fake mints or unhealthy remedies for your furry friend.