A safe dog chew that is extremely durable and great tasting. Designed in the shape of a femur bone with soft rubber teeth-cleaning nubs that massage gums, texture for easy grip, and a yummy mint flavor. Hero Bonetics™ is made of a scientifically developed wood-infused nylon material that is strong enough to last and soft enough not to splinter, making it a safer choice for your dog. Sized for small dogs up to 25 lbs and medium dogs up to 45 lbs.