Item Type: Automatic Rolling BallMaterial: ABS, PlushBattery Type: AA x 1 (Not Included)Weight: Approx. 169g/6ozPackage List1 x Automatic Rolling Ball (Battery Not Included)3 x Plush Cover1HIGH STABILITY: The automatic rolling ball can firmly adhere to the floor during the rolling process, ensuring stability and safety. 2FLOOR CLEANING: This rolling ball can effectively clean the floor when moving, absorb dust, and keep the living environment clean. 3INTERACTIVE TOY: The electric rolling ball can attract the attention of your pet when moving, and let your pet follow and interact. 4WONDERFUL PET TOY: When you are working, having important things, or just relaxing and enjoying quiet time, this rolling ball is perfect. 5WIDE USAGE: This interactive ball toy is suitable for small and medium sized dogs, rabbits and other animals of any breed and age.