The Petsfit Outdoor Cat House Cat Tree Cat Condo Cat Shelter Catio Weatherproof for 3-5 Cats is all-in-one cats favorite. It provides various spaces of safety, resting, feeding and playing. The house is made of high-quality Finnish spruce with water-based coating that is thicker than others ensuring the sturdiness to hold up well in the weather. The roof is made of asphalt that has been treated with anti-corrosion agents to prevent rust and decay. The house is easy to assemble with pre-drilled holes and comes with a warranty.