Our Mad Cat® Refillable Sloth Catnip Toy is a cute refillable catnip toy. Filled with our premium North American-grown catnip is a 100% natural herb that has been cultivated to achieve a remarkably strong aromatic catnip. The irresistible aroma encourages a harmless, long-lasting playful reaction in most cats. Encourages exercise for indoor cats that have no natural prey, and they can become bored as a result.