Target species: Dog Number of units: 1.0 gram Item dimensions L x W x H: 11.9 x 11.9 x 11.9 centimeters About this item Premium Quality: This toy is made of environmentally friendly, non-toxic rubber. Strict control of raw material safety helps keep your dog happy and safe. Very durable: Soft, durable, and stretchy design. The rubber construction withstands aggressive chewing. Sound Principle: Utilizes air convection to produce sound. Features multi-directional whistle inserts; the rolling ball creates noise to attract your dog's attention and encourage play. Interactive Design: Dog toy with a 12 cm diameter, suitable for medium to large dogs. Surface grooves allow dogs to easily grasp and bite the toy. Promotes interactive play between you and your dog. Ideal Companion: This durable, safe, and well-designed toy helps keep your dog entertained, mentally stimulated, and engaged. May help reduce destructive chewing and excessive barking, offering relief from boredom and loneliness.