Worldwise goDog Silent Squeak Crazy Hair Hedgehog Ultrasonic Squeaker Plush Pet Toy for Dogs & Cats, Soft & Plush, Tough & Chew Resistant, Reinforced Seams - Brown, LargeSOFT & DURABLE: goDog's Crazy Hair are cute and cuddly Silent Squeak toys made with soft plush that dogs love to play and cuddle with; featuring reinforced seams and chew resistant lining for fun, long lasting solo and interactive play SILENT SQUEAKER: Designed with a patented squeaker tuned to an ultrasonic frequency out of human hearing range, but still perfectly audible to dogs; provides the same fun and excitement to your pup as a classic squeaky