Fast action fun for cats. Light, soft and durable. Cats learn to fetch this toy. They can carry the CrinkleBall 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 CrinkleBall is made of 100% acrylic fibers and acetate film for the ultimate in safety. There is no Mylar in any of our products. This toy is a must have. Price is per ball, not per container.