This Nylabone Puppy Chew Bone is made with soft, puppy-friendly material to satisfy teething pups and encourages positive chewing habits from a young age. The bristles raised during chewing will help clean teeth and prevent tartar build-up. Go ahead and give your pup a Nylabone! Made in the USA! (This chew toy is not for puppies with adult teeth or for powerful chewers.) For dogs over 50lbs.