Product Details Cat Worm Toys: The cat Worm toys will bring out your cats predatory instincts, and they will jump, pounce, kick and chase. They'll keep your cat energized, increase her exercise, keep her happy 12 Pieces Cat Worm Toy Refills: Including 12 pieces cat toy Worm refills, suitable for kitten and cat of all sizes. Interactive cat toys for a good time with your friends Easy To Use: Each is equipped with a loop for replacement, easy to be attached to anywhere you want. Suitable for hang on the wand, chair, door handle and cat climbing frame Material: The cat worm toy refills are made of polyester blend Please Note: Always supervise your cat when playing with this or any cat toy. Put away cat toys when not in use