KONG Naturals Liquid Fun is made with concentrated catnip oil for maximum fun. Our oil is steam-distilled from the finest North American catnip, producing the most potent catnip oil available. For irresistible fun, spray on toys, teasers, scratchers, or cat condos. Your cat will love you for it. KONG Naturals are ecologically responsible cat products. All ingredients and oils come from natural, renewable resources. These products are designed to appeal to the natural instincts of the indoor cat, providing fun with a purpose.