Safe Material: The cat spring is made of high quality nylon, it has good workmanship, it has no smell, it is safe and does not contain chemicals, it does not damage your cat and it does not affect not cat health, you can use it for cat with confidence. It is durable for long time use. Flexible and Retractable: The funny cat spring has the mesh design, the mesh is retractable, it can be bent into different shapes, it is more fun and cute, you can bend it the various shape for your cat every day, it can make cats feel very surprised.Funny Cat Toy: The spring tube toy is a toy to amuse cats and make them more active, you can pinch the ends together and release it to make cats have fun chasing, you can also play with your cats together, it can work well promote interaction. Bright Colors: The kitten tube toy has various colors, the colors are bright and attractive, it can attract cats' attention well, You can match colors to make them more interesting. Make Cat Happy: With these colorful interactive cat toys, cats can become more cheerful, it can make cats play freely, cats can hold it in mouth or play it with other cats.