Size - Diameter 9cm, it is suitable for all kinds of cats Cat Toy - Cats love to play, ball cats are colorful and attractive to cats Sound Toy - Built-in bell, the bell will make a pleasant sound when the ball rolls toys Interactive Toys - Guide the cat through the toy ball, cat exercise, and help strengthen the feelings of the cat and the owner Healthy Teeth - Ball is soft and can be used for biting. It helps cats brush their teeth when chewing Description: Colorful yarn balls, built-in bells and a crisp bell sound when the ball moves It is the ideal toy for cats to effectively relieve annoying cats Parameter: Material: Wool, Iron Size: 9 * 9 * 9cm Weight: 45.6g