Benebone Dog Chews are made of super-strong nylon and food-grade bacon. The patented wishbone design makes for an easy chew with deep grooves to help dogs get a good bite and an increased surface area for improved scent and flavor. The real bacon flavor will have your dog chewing at this wishbone dog chew for hours, while these bones are chew toys and not to be eaten, they are flavored with 100% real bacon. Product should be whole and intact at all times, replace at first sign of reasonable wear. Small for dogs under 30 lbs.