The elastic rope of these cat springs can be adjusted from 1.3m/4.27ft, allowing the ball to be pulled by the cat and fly around, making it a fun challenge for your cat to catch. These cat stimulation toys for indoor cats can be flexibly hung on windows, doors, cat trees, and more, providing endless entertainment. Available in a pack of 4 vibrant colors (pink, blue, yellow, gray), these hanging cat toys for indoor cats add a playful touch to your home while keeping your cat stimulated. The eye-catching design and built-in bell boost your cat's meow moments, encouraging endless fun and cuddling. These cat balls with bell are perfect for engaging your cat's natural hunting instincts. The package includes 4 hanging cat toys (pink, blue, yellow, gray) with a packaging size of 24*13*5.2cm, making it a perfect gift for your pets on occasions like Thanksgiving, Christmas, birthdays, or other holidays