Hear Doggy Ultrasonic Flats Toy with Chew Guard is perfect for families with dogs that love squeak toys but prefer to avoid the constant noise they produce. These clever toys take advantage of the excellent hearing of dogs and produce squeaks at an ultrasonic frequency that sound normal to dogs while remaining inaudible to humans. Hear Doggy Ultrasonic Flats Toy with Chew Guard also features a durable liner that helps them stand up to tougher play sessions. Though this toy features a delightful elephant design, there are also ultrasonic flats toys available in giraffe , gator , and cow designs. Don't deprive your dog of a fun time or put up with persistent squeaking- order these ultrasonic flats toys for the best of both worlds today! Key Features: 28 kHz squeaker ensures dogs hear squeaks but people can't! Features chew guard technology to ensure durability Available in four fun designs!