Waterproof and Sturdy Our outdoor cat house is made of high-quality material to provide your cat with a comfortable and sturdy shelter. With 5 removable bases and waterproof coating on the bottom, keeps water from soaking the cat house and insulates it. Insulated Design Equipped with windproof door curtains and an insulated body, it can withstand cold winds and keep the interior warm. The side door design avoids direct exposure to the cold wind, keeping your cat warmer. Heating Pad The weatherproof heated cat house complete with a heating pad that constant 122 F and a machine washable cover.It also features an 8.2ft power cord perfect for outdoor patios. Keep your furry friend warm and cozy all winter! Spacious Space The outside cat house measures 20x17x16 inches for big cats or multiple cats together.