Provide hours of interactive chewing fun for your dog with the Everlasting Treat Ball. Made of a soft, yet durable puncture-resistant material that withstands even the toughest chewers. The unique design allows for it to wobble and roll around on its own. It's great to use for preventing destructive boredom behaviors or to simply keep your dog happily occupied. Feed your dog his meal portions out of it or insert a Triple Crown Everlasting Treat. The Everlasting Treat Ball comes with two Chicken flavored Everlasting Treats (refills sold separately). Features: Fill the ball with Every Flavor Treats, dog food, or your dog's favorite snack. Increase the challenge by filling the ball and inserting one Everlasting Treat. Is your dog already an expert? Fill the ball and insert both Everlasting Treats your dog will have to chew through the caps before he gets to the goodies on the inside. Treat refills (sold separately) available in Chicken and Liver flavors. Material: Elastomer Dishwasher Safe.