Kitty Tube The Gen 3 Outdoor Cat House w/Custom Pet Pillow & Double Insulated Liner The Kitty Tube Gen. 3  With Custom Pet Pillow and Double Insulated Liner option. "The Kitty Tube- Generation 3 is Guaranteed to keep the weather out" The Kitty Tube is simply the highest quality, best insulated outdoor cat house on the market today! Comes with awnings and removable clear flap door. The Kitty Tube provides an economical, safe and secure home for up to 2 cats. The Kitty Tube's unique door design will also protect your cat from predators. Alley Cat Allies and Feral Fixers Approved. The Kitty Tube includes a custom, machine washable pet bed on top of the fully insulated floor. The floor, walls and roof are all insulated with a high quality, high R value insulation. (Walls and ceiling are double insulated on this model) The Kitty Tube will stay cool in the summer and is ultra warm in the winter. The built in lifting handles can be adjusted to supply full flow through ventilation for the summer and can be closed to retain heat in the winter. The Kitty Tube is made from recycled post consumer content, and is proudly MADE IN THE USA. By purchasing our products, you are supporting many American businesses and their families. The Kitty Tube is extremely durable and guaranteed for life to never chip, crack or fade. See website for instructional videos to install Kitty Tube accessories.