In appearance they are very flat but these really does change the habit of how your dog chews making it a bit more of a challenge and lasting a good bit longer than and average natural chew.
 
 
The large flat surface area on these are great for dental hygiene as due to the shape your dog will chew in a different way reaching different areas of the teeth and gums that do not normally experience much abrasion.
 
100% air-dried. The texture of these is also very easily cut to make smaller bite size pieces for those high value training treats.