KONG Naturals Double Scratcher Cat Toy Made with renewable resources; recyclable Entices cats with North-American grown Catnip; recharge with KONG Naturals Premium Catnip or Catnip Spray Twice the scratching surface of the KONG Natural Single Scratcher; scratch pad is reversible for extended use Re-usable out Cat Scratcher box Replace worn scratcher pads with Cat Scratcher Refills