The Turbo Scratcher Accessories Clipstrip contains 8 pieces, 4 Turbo Scratcher Cat Grass and 4 Turbo Scratcher Cat Grass Refills. The Turbo Cat Grass allows cats to munch in a healthy manner. Turbo Cat Grass can be grown at home and attaches with ease to the Turbo Scratcher or Star Chaser. Owners can control what their furry friends are munching on and replace as often as needed with the Turbo Cat Grass Refill. "Coastal reserves the right to ship kits incomplete with no substitutions."