Designed to give kitties a safe outdoor adventure, the FunXplore Catio Enclosure 4 Tier Wood Outdoor Cat House offers a spacious retreat for feline exploration. This walk-in catio features four roomy areas, multiple platforms, and a scratching pole to encourage your curious companion's natural behaviors. With a window-connection panel and side door for tunnel attachments, cats can move freely between indoors and outdoors. The weatherproof construction includes an asphalt roof with a transparent section, ensuring comfort in a variety of different conditions. Large access doors simplify cleaning and decorating, while viewing windows allow you to check on your purring pals without disturbing them. Plus, there's a side door so you can attach a tunnel (sold separately).