A safe 2-in-1 dog chew that is extremely durable and great tasting. Designed in dogs’ favorite textures, combining a durable knotted nylon rope with a wood infused nylon overlay, a compelling texture for easy grip, and available in yummy bacon and beef flavors. 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. Size extra large for dogs 75 lbs. and over.