SmartyKat Madcap Mania Refillable Catnip Cat Toy (Style Varies) Fun, freshly designed, furry Smarty Kat madcap mania will stimulate your cats hunting instincts Style Varies &dash; available in white mouse, Brown mouse, and Koala designs. A design will be selected at random and cannot be specified at this time Most cats respond to catnip with a burst of energetic activity followed by a mellow period Our pure & potent catnip is produced without chemicals or pesticides 100% satisfaction guarantee