Feature: 1. Lightweight And Flexible: Made of natural nylon material, very flexible and durable, bringing extra stimulation, the length of the toy is 10.5cm/4.1in, very cute, it is the best gift for pets. 2. Easy To Use: This cat spring tube toy is very interesting, you can put catnip into the toy, catnip can stimulate most cats, thereby providing more playful energy, easy to use. 3. Improve Relationship: This interactive toy can provide you with endless fun when you play with the cat, and can enhance the relationship between you and your cat. 4. Colored: These toys are brightly colored, which can easily attract cats' attention, increase excitement, and provide cats with a lot of exercise, they are good companions for kittens. 5. Reduce Stress: The spring toys are soft natural weaves, cats can entertain themselves, effectively alleviate the cat's loneliness, and prevent pet cats from tearing the furniture. Specification: Item Type: Cat Spring Toy Product Material: Nylon Length: Approx. 10.5cm/4.1in Product Specifications: 21pcs. Package List: 21 x Cat Spring Toy Note: Manual measurement, please allow some errors.