Product content and size: 4 cat balls in 2 colors, about 5.5 cm. Product material: made of high quality sisal, bite and abrasion resistant, environmental protection and safety. Strong Attraction: Brightly colored cat toy balls can attract pets’ attention and encourage them to play, which will reduce pets’ fear and boredom. Effective Interaction: Interaction is fun. The process of playing toy balls with your pet will increase the sense of intimacy and you will have a good time with your pet. Scope: Cat toy balls are suitable for most age groups and breeds of cats, and are ideal for indoor and outdoor play, pet training, chewing, etc.