JW Pet Crackle Heads Crackle Ball Dog Toy is the perfect toy to keep your dog's attention for an extended fun time.  This ball features a unique multi-layer design with multiple types of materials. The outer layer of the ball is made with natural rubber to provide a durable and bouncy external surface that also protects the plastic interior. The inner ball is made of a flexible plastic that creates a loud crinkling noise while your dog plays. JW Pet Crackle Heads Ball offers a unique play experience with a recyclable toy that your pet will love. The large size is ideal for medium and large dogs, but there is also a small size available for small or petite dogs. Your dog will love these noise-making toys, so order one for your pet today! Comes in two sizes Made with durable rubber and noise making plastic for safety and fun Certified non-toxic