Features:1. Cat Spring Balls: The kitten toys adopt bright colors and built in colorful and realistic rats, which can instantly attract the attention of kittens, make them excited and chase toys, consume energy in sports, and keep them healthy.2. Safety Material: The cat spring balls is made of steel wire spring and plush material, firm and long-lasting, can withstand the biting of the kitten, is odorless and safe for the kitten.3. Suitable Size: The spring cage toy is about 6.5 x 6.5 x 8cm, elastic and lightweight, so the kitten can easily kick and chase the spring and enjoy the fun of playing.4. Keep Healthy for Cat: This interactive cat spring balls toy will help your cats to jump, run, flip, pounce, and chase, making your cats feel excited and happy. Great way to get your cat's energy out and do more exercise, keep healthy, and have fun.5. Interactive Cat Toy: The owner can throw these colorful spring toys on the ground, and they will bounce up and catch the cat's attention! Specification:Material: IronProduct Color: RandomProduct Size: 6.5 x 6.5 x 8cm Product Weight: 32gPackage Included:1 x Cat Spring Balls