INTERACTIVE CAT TOY - This spring cat toy is super elasticity! Lightweight and bounce. You can throw the spring toy on the ground, and it will bounce up and attract the cat's attention, enjoy the playful time. UNIVERSAL SIZE - 16 in a-pack! You just need to let the kitten play without worrying about losing the plastic spring! The spring cat toy is approx 5 cm long, 2 cm diameter and 0.22 cm thick. The cat springs could be stretched longer. CRAZY CAT TOY - Press this cat toy to keep them chasing, swatting, and running around, enjoy the fun that this toy brings to them, unpredictable bounce is good for lasing mental and physical health. COLORFUL - Cat like bright colors. This cat spring toy is composed of 4 colors of yellow, blue, pink and green, they can entertain your kittens with random bouncing movements, let your cat have fun with the colorful springs cat toys. STURDY & DURABLE - These colorful kitten spring toy is made of quality plastic, durable and not easy to break or fade, cat can bite freely and relieve pressure. Please replace the toy in time if it gets broken.