kong squeakair tennis ball yellow with squeak 3M 6. 5 cm 3 pcs The M 6. 5cm 3 pack combines two classic dog toysthe tennis ball and the squeakermaking it the perfect fetch toy. The durable and high quality Squeakair Tennis Ball won't damage dog teeth. It's made of a special, non abrasive felt, unlike the abrasive material of regular tennis balls. Kong dog toy Combination of a tennis ball and a squeaky toy Made of non abrasive felt, safe for dog teeth Size: M, 6. 5 cm Contents: 3 pieces