Multipet's Look Who's Talking 7-inch Cow dog toy is a plush-filled toy with a built in voice box that makes the sound of realistic moo when squeezed. These toys are perfect for a game of fetch of toss. But also have a soft plush exterior that is great as a cuddle buddy. Each dog toy contains three 1.5V Alkaline batteries. Suitable for small, medium, and large dogs. Please supervise your pet while this product is in use.