Made with tough, durable nylon and a textured surface for extra chewing fun, the Nylabone Power Chew Dura Chew Textured Ring is the long-lasting chew toy that’s perfect for aggressive chewers. The bristles raised during chewing promote clean teeth and fresh breath and help control plaque and tartar buildup. Give your dog even MORE taste with a medley of delicious flavors throughout! Color may vary. For dogs over 50 lbs Helps with destructive chewing, boredom, dental care, stress and anxiety Flavor medley