Meet the Kitty Tube 4th Gen: an insulated cat house with a custom pillow that keeps cats safe from bad weather. It has an insulated floor and removable clear flap door. The Kitty Tube can accommodate up to 2 cats. It has 2 lifting handles to adjust ventilation for summer.
The Kitty Tube is made of recycled materials. It offers a 15% thicker floor insulation over previous models. You can find out more about it here.