Give your dog something good to chew on. Made with tough durable nylon the Nylabone DuraChew Bone was designed for powerful chewers. It provides long-lasting enjoyment satisfies the natural urge to chew and encourages positive chewing habits. Plus the bristles raised during chewing promote clean teeth and help control plaque and tartar buildup. (Different dogs have different chewing styles and strengths even within the same breed so be sure to choose the correct chew size and type for your dog.)