Fast action fun for cats. Light, soft, and durable. Cats learn to fetch this toys. They can carry the Crinkle Ball around in their mouth, and choose to keep it close by for instant play. An absolute favorite among all cats. This toy will get your cat active and keep them exercising. The patented Crinkle Ball is made of 100% acrylic fibers and acetate for the ultimate in safety, there is no Mylar in any of our products. This toy is a Must Have!!!.