Features: Durable: This cat tunnel is lightweight, very durable and made of polyester material, making it the perfect interactive toy for your pet. Foldable and portable: this cat tunnel is easy to carry and store, they have a small footprint and are foldable. Spacious: Our tunnels offer great space for your cats, puppies and rabbits. Wide Application: Double-layered fabric for small/medium sized cats. Recommended for those with small and adventurous kittens, guaranteed playtime for your pet, bunny cat or small dog. 100% safety and quality assurance: the ball line is short so there is no choking hazard, the tunnel is quite hard and will not choke anyone inside, and the center hole is designed so that it cannot trap cats.