Nylabone Regular Bison Flavored Power Chew Wishbone is for dogs who love to chew and can be used both for training and everyday treats. This durable chew satisfies your dog's natural urge to chew and is tough enough to withstand even the most powerful chewers. Over time, the bristles on the chew will raise, helping to promote clean teeth and control tartar buildup. With delicious bison flavor infused throughout, your dog will get tired of chewing it. Made in the USA, this chew is for dogs up to 25 pounds.