Color: pink, blue, yellow and green Length: 4.5cm Diameter: 2,5 cm Package include: 32 x cat spring 1.Four colors: You will get pink, blue, yellow and green spring cat toys. There are 32 springs in the package, which can entertain your kitten with random bounce motions. 2.Universal Size: Cat Spring Length 4.5cm or 1.77inch, Diameter 2.5cm or 0.98inch, Let your cat come home happy when chasing colorful spring cat toys , and their unpredictable bounce drives them crazy. 3.Fun Cat Springs: These super cute cat springs allow kittens to hit, chew, attack and crush, stimulating natural hunting behavior and relieving stress. 4.Interact with Cats: Colorful cat springs can provide a lot of entertainment opportunities and effectively relieve the cat's loneliness, thus preventing the cat from being torn, screaming or biting the furniture. 5.Release Cat's Natural Instincts: Press the cat spring, let your cat chase, surprise, grin and enjoy the joy of this toy. In this case, the cat is no longer lazy, enjoys exercising and becomes healthier.