For every reason to chew… there’s a Nylabone!When it comes to the most powerful chewers, Extreme Chews are the answer! Built for intense chewing sessions, our nylon chew toys are the ultimate long-lasting activity for chew-happy dogs. Bison Extreme Monster Bone – XX-Large Want to find out more about helping prevent doggie boredom? Click here to learn more. Dental care Where to buy FAQs