JW Pet Crackle Head Ball Toys provide a delightful crackle & crunch with their rubber outside that protects the crunchy bottle material inside. With holes that provide an easy grip & a long-lasting, thick, durable rubber, this toy is perfect for toss & fetch, & solo play! Your pup will love the crackling sounds as he chews away! Features that satisfying water bottle crunch dogs love Made with durable natural rubber Crunchy water bottle encased in a strong rubber shell Made with recycled plastic bottle material Ships in assorted colors There’s just something about the crunchy noise that drives them nuts!