SmartyKat Magic Mice Set of 3 Compressed Catnip and Ribbon Cat Toys are perfect for the multi cat household Contains the Purest Certified Organic Catnip directly from our own catnip farms, certified by Ecocert, our catnip meets the USDA's stringent organic requirements Most cats respond to catnip with a burst of energetic activity followed by a purrfectly calm mellow period Compressed catnip toys provide all the stimulation of catnip without the mess!