Mad Cat® Double Trouble is twice the fun! Cats will be leaping, kicking, and pouncing for joy as they chase this mouse around. The mouse character is filled with a powerful combo of Catnip & Silvervine. 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 this unique blend of premium 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 pure and pesticide-free. Features multiple textures to enhance playtime for a cat. Great for tossing, batting, kicking, and cuddling.