The KONG AirDog Squeakair Ball combines two classic dog toys — the tennis ball and the squeaker toy — to create the perfect fetch toy. Our durable, high-quality Squeakair Ball will not wear down a dog’s teeth. It’s made with a special nonabrasive felt, compared to the abrasive material on normal tennis balls. Perfect for games of fetch Squeaker to induce play Nonabrasive tennis material will not wear down your dog's teeth Available in five sizes: X-Small, Small, Medium, PACK OF 3