KONG Airdog Squeaker Football Dog Toy. The KONG AirDog Football combines two classic dog toys, the tennis ball and the squeaker toy, to create an instantly recognizable football shape that's the perfect fetch toy. The durable, high-quality AirDog Football will not wear down your dog's teeth. It's made with a special non-abrasive 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.