The fun Mad Cat Narwhal with Silverine Stick Cat Toy is sure to entice any cat with its blend of high quality catnip and silvervine! The soft plush narwhal are the best things to wake up to after a cozy cat nap. Filled with a custom blend of tempting catnip and silvervine for twice the cat attractants, plus fun crinkle for enticing sound. Silvervine is an all-natural catnip alternative that cats love, it elicits a similar reaction to catnip, and works for many cats who normally are not affected by catnip. Its high quality materials and catnip/silvervine blend are pure, pesticide free, high potency, and made in the USA!