100% NATURAL & NON-TOXIC: Catnip balls are made of pure natural plant extracts without any chemical additives. Rest assured, this toy will not harm your favorite kitten. Work together to stimulate your cat's interest in licking and playing PRACTICAL DESIGN: The cat toys can be easily stuck to the wall or other surfaces with strong stickiness and will not fall off when your kitty licks and plays. 3 balls can rotate 360 degrees when being licked Make cats healthy and happy: catnip is good for alleviating fatigue and depression in cats, promoting appetite, promoting digestion, and relieving hairballs Teeth cleaning: catnip can effectively reduce plaque and tartar in cats, freshen breath, and improve oral health of kittens NOTE: Based on our diligent experimentation, we have found that kittens under 3 months may not be interested.