Made from inert soft thermoplastic polymer to satisfy the chewing instinct of teething puppies and encourage non-destructive chewing. Bristles raised during chewing will help clean teeth and prevent tartar buildup. Designed for teething puppies - Not recommended for adult dogs or puppies with any permanent teeth Nylabone Puppy Chew toys encourage nondestructive chewing habits while satisfying the natural urge to chew Softer material designed for teething puppies Bristles raised during chewing help clean teeth and prevent tartar buildup The chicken flavor keeps puppies coming back for more