KONG Scratcher Refills are all you need when it’s time to replace cats’ scratcher options. Fitting KONG Incline Scratcher and KONG Double Scratcher, simply refill and continue to satisfy cat’s natural scratching instincts by encouraging appropriate scratching behavior. Environmentally friendly refillable cat scratchers with bonus Premium North American Catnip are made with renewable resources and are recyclable. Scratch pads are reversible for extended use. Naturally promotes appropriate instinctual scratching. Premium North American Catnip entices play. Made with recyclable materials and renewable resources.