Introducing new HERO Bonetics dog chews HERO Bonetics is the result of a two-year in-depth scientific study of the material, design, and production of dog chews. The goal Create a safer dog chew that is extremely durable and great tasting Our proprietary, real wood blended material outlasts and outperforms other bones on the market, and dogs are unable to resist Bonetics are: Gentler on teeth - less worrying about a broken tooth Gentler on tummies - no sharp splinters so they are easier to pass and less likely to cause stomach irritation.