Size8cm in diameter, suitable for all kinds of cats Cat toys cats love to play, ball cats are colorful, very attractive to cats Doorbell built into the toy, when the ball rolls the toy, the bell will make a pleasant sound Interactive toys guide the cat through the ball and help the cat move around to strengthen the relationship between the cat and the owner Healthy Teeth Balls are soft and can be used for biting. It can help cats brush their teeth while chewing