Features Motion Sensor Activations: The toy activates with a simple touch, encouraging your cat's natural huntings instincts, and then intelligently choose the routes to avoid Bite resistance and durability: Soft and skin friendly silicone wrap, in addition to rolling quietly, increases friction, and takes into account bite resistance and durability. Reduce boredom: Cat and dog can be used universally and also by several cat at the same time. Pets can use this toy to relieve the worry of not being with the owners, and to prevent pets from destroying furniture or clothing. Sturdy Construction: Made from premium, pet-safe materials designed to withstand playful paws. Physical & Mental Stimulations: Encourage your cat's natural hunting-instincts and provide both physical exercise and mental stimulations, reducing boredom and destructive behavior. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: Silicone+ABS Battery: 80mah Package List: 1xInteractive Cat Toys Balls