Keep your pup challenged and playing longer with the PetSafe Busy Buddy Nobbly Nubbly. This durable dog toy stands up to tough chewers and doubles as a treat ring holder. You can also smear peanut butter on the middle grooves. Made from durable nylon and vanilla-scented rubber, this fun toy is easy to clean and top-shelf dishwasher safe. Choose from extra small, small, medium and large sizes. For dogs over 6 months old. PetSafe brand is here to help you and your pet live happy together.