The Mad Cat® Flingin' Flamingo Cat Toy W/Catnip & Silvervine is a cute plush toy filled with a unique blend of premium catnip and silvervine that's maximum potency, pure, and pesticide-free. 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. Some cats LOVE catnip, but not all cats are affected by it. To solve this problem we developed our unique blend of catnip and silvervine. Silvervine is a non-toxic, all-natural catnip alternative that many cats prefer. This potent stimulant elicits a similar reaction to catnip and is safe and fun. High-quality plush includes embroidery, crinkle paper, and ropes for cats that like textures.