Main Material: Nylon; Size: Ball Diameter: 2.0 inches (5 cm); Tail: 2.8 inches (7 cm); This is a ball shaped mouse toy that cats love. Colorful and cute appearance. Cats can roll or bite in their hand for fun alone It also has a fun way to play with your owner. Made of nylon string, durable and not easy to break. A bell at the tip of the tail will attract the cats interest. Helps relieve lack of exercise and stress Package: 5 pcs cat toys in random color.