This is a cat porch, or catio, we created for a great couple in Palm Desert who rescue and adopt out hundreds of cats a year. This catio is for their own cat. It is of aluminum construction. It utilizes part of an existing patio off one of the bedrooms and the adjoining garden area. It is built around an existing mesquite tree. We used cat-safe plants to create a beautiful garden that can be enjoyed by people as well. For more information on this project, see the Ultimate Pet Environments page on our website.