Rest in peace—knowing your dog is chewing on this toy instead of the couch cushions. Nylon satisfies and holds up to the biggest chewers. This ultra-durable nylon toy is designed and built to withstand even the most aggressive chewers. This toy helps keep your dog entertained and solves problem chewing behaviors. This toy helps keep your dog’s teeth clean and his/her breath smelling fresh. This toy is designed for dogs 15-80 lbs/7-36 kg. It is made in the USA & is vet approved.