Udder-ly adorable, the Cow Ultrasonic HEAR DOGGY!® Flats toy is understuffed and has a squeaker ONLY your dog can hear! Dogs love squeaky toys, it satisfies their natural hunting instincts. Those same squeaky toys can be too noisy in the middle of the night. Dogs can hear sounds at a higher frequency than humans. The Hear Doggy toys are tuned to an ultrasonic range out of human hearing range, but still fun for your pooch. Great for fetch, tug, or a chill-out buddy, this toy is a winner both you and your dog will love! Approx 12" long.