Four Sided Catio Enclosure - No FloorFour sided catio enclosures from Habitat Haven feature all 4 sides and top enclosed with an open floor. These open floor catios are best for level surfaces such as concrete, wood, gravel, mature grass, and any other surface that will not allow a kitty to escape by digging. Habitat Haven catio enclosures are both modular and flexible. They can be made to fit nearly any scenario you can imagine! Our array of various enclosure configurations and designs