Nylabone Puppy Bones have been designed to meet the specific needs of a growing puppy while teething. They satisfy your puppy?s natural urge to chew in a healthy, non-destructive way. Puppy Bones help control plaque and tartar, while engaging and entertaining your puppy. This Puppy Bones ins made of inert soft thermoplastic polymer with a chicken flavour, ideal for teething puppies. This should not be given to puppies or dogswith any adult teeth. Different dogshave different chewing styles and strengths, even within the same breed. Be sure to choose the correct chew for your dog. Always supervise the use of chews and toys. Replace if chew becomes worn or damaged. Regular size is recommended for dogsup to 11 kg (25 lbs) Directions Designed for teething puppies up to 25 lbs. Safety Warning Not recommended for adult dogsor puppies with any permanent teeth.