Material: The pet interactive toy is made of fake feather and catnip, high quality and durable to use Function: The kitten play toy is designed to relieve cat and improve intelligence Interactive: The cat teeth cleaning toy is suitable for throwing, biting, training, exercising and chasing Gift: These toy balls are perfect toys and gift for cat lovers and small animals, also a good way to relieve stress Healthy: The ball provides hours of exercise self-entertainment when you're , burning off extra energy from your kitties