Safe Material The cat toy balls with bell are made of artificial plush, which is soft and will not hurt the cat's mouth when they bite or play. The colorful appearance gives it a very attractive look. Bell Design The cat toy features a built-in bell that produces a gentle sound while the cat plays and chases, providing surprise without frightening the cat. It's more durable than regular toys. Proper Size The cat toy comes in 3 sizes: S with a diameter of 1.65in/4.2cm, M with a diameter of 2in/5.2cm, and L with a diameter of 2.65in/6.8cm, making it suitable for various cat sizes. Colorful Cat Toys Small balls of different colors are hand-stitched together to create larger colored balls. The bright colors will entice cats to pounce, chase, play, and interact, stimulating their natural instincts. Perfect Gift You will receive 9 cat toy balls, making them perfect for giving to family, friends, or colleagues who love cats, or as birthday gifts for cats, helping your pet exercise effectively and alleviating boredom.