Bear Multi-functional Chew Toy for DogsKeep your dog entertained for hours with this versatile toy. It has several fun components for your dog to chew and play with. The toy makes a funny barking sound when shaken from side to side. The whistle is built into the toy and is protected by a strong, hard material that your dog can't destroy. Additionally, the toy's surface has varying elastic bumps, which clean the dog's teeth during playtime.