Olivewood chews are made from annually harvested wood, from managed Olive trees in "Olivar's" (Field of Olive tree's). These are 100% sustainable! Olive wood is a very close grained wood that is harder than most native wood. Simply graded, dried, sanded and then lightly infused with virgin olive oil to give a healthy, safe and satisfying chew for any dog. As a natural wood product it will chew down. Every dog has a natural need to chew. This often starts when they are puppies, and progresses to chewing our table legs and shoes! Chewing gives natural dental care occupies the dog.