It's Natural and contains no harmful chemicals. Canine satisfying rawhide bones that are 100% edible. Promotes healthy teeth and gums assists to reduce tartar and plaque. They are easily digestible and are highly palatable, which satisfies the natural urge to chew whilst reducing tartar, it also promotes healthy teeth and gums, which your dogs would love to eat. Key Features: The Chew Bone Contains no Harmful Chemicals 100% Edible Satisfies natural urge to chew Reduces and tartar and plaque.