PetSafe Busy Buddy Bristle Bone

The durable nylon bristles and rubber nubs on the Busy Buddy Bristle Bone provide dogs with a stimulating chewing surface. Treat ring refills reward good chewing behavior to encourage longer playtime.Key Features:- For dogs over 6 months- Durable nylon and rubber construction- Includes 4 Busy Buddy natural rawhide treat ring refills- Additional rawhide and cornstarch treat ring refills available separately- Extra Small size for dogs under 10 pounds- Small size for dogs 10 25 pounds- Medium size for dogs 25 50 pounds- Large size for dogs 50 90 pounds.