A ball is just a ball, right? Nope, not anymore with Pet Qwerks? Jingle X-Tire Balls! Available in two sizes, X-Tire Balls are made with a pair of small tires ruggedly molded together into a single ball with a hollow center that holds a whopper-sized chrome bell that jingles as your dog shakes, tosses, rolls, retrieves, and flings the ball. The unique design and shape of this dog toy make it super easy for your pet to pick up and have fun rolling action. Get your dog their new favorite ball with a Pet Qwerks Jingle X-Tire Ball.