Petlinks® Mohawk Mice™ Plush Cat Toys with Catnip & Silvervine an exciting blend that excites even the pickiest cats. Silvervine, a wild-growing herb foraged in the mountains of Japan and China, has a strong natural effect on cats, even some that don’t respond to catnip. Extensive testing led us to find the perfect blend. Catnip & Silvervine was created as an ideal alternative for finicky felines who need a little extra excitement! It’s more potent than catnip and as pure as can be! Most cats respond to catnip with a burst of energetic activity followed by a calm mellow period. Our catnip is produced without chemicals or pesticides and grown on our own catnip farms. Our 2 pack of Mohawk Mice™ have long plush mohawks, ribbons and great textural changes with fabric and burlap