MCLOVINS RETRACTABLE SLICKER BRUSH - ASSORTEDDesigned for hours of fun and playfulness, each cat ball emits chirping sounds similar to those of crickets and birds, activating your pets' instincts to run, play, and catch. When left alone, the cat toy ball goes quiet to conserve battery power. The Pom Pom Ball Set is made with durable, highly resilient EVA materials that are soft and safe for cats and kittens of all sizes; Comes with a pack of 3 balls.