The Smart Cat Toys Automatic Rolling Ball is the perfect toy to keep your cat entertained and active. It is designed to provide interactive play for cats, helping them to stay fit and engaged. The rolling ball is made from high-quality ABS material, ensuring durability and resistance to biting. The 43mm diameter size is specifically designed to cater to a cat's natural hunting instincts, giving them a sense of control and satisfaction. This intelligent toy offers various modes of play. In the intelligent mode, the ball can be awakened by patting, simulating the escape trajectory of prey. It can roll and hit obstacles, and then intelligently choose a route to avoid them. This adds an element of challenge and excitement to playtime. The toy is also designed to be quiet, ensuring a peaceful environment for both you and your cat. With 90% of the noise-absorbing material packaged in the outer layer, the ball rolls quietly day and night. The Smart Cat Toys Automatic Rolling Ball is not only fun for your cat, but also durable and safe. The soft and skin-friendly silicone wrap not only increases friction for a better rolling experience, but also provides bite resistance and durability. This ensures that the toy can withstand rough play and last for a long time. The package includes one gravity rolling ball and a type-C line for easy charging. Key Features: High-quality ABS material 43mm diameter for a cat's sense of control Intelligent mode for added challenge Quiet operation for a peaceful environment Soft and skin-friendly silicone wrap Bite resistance and durability Includes gravity rolling ball and type-C line