Withstand Bad Weather: The outdoor cat house with 0., 47 inch thick of fir wood, 0., 6 inch thick of styrofoam inside, and 0., 12 inch thick of plywood. When the predators enter through one door, the cat can escape through the other door It will survive in heavy rain/snow to keep the cat warm and dry inside Cat Shelter Outdoor Weatherproof Outdoor Insulated Cat House Weatherproof For Insulated Outdoor Cat House Insulated Outdoor Cat House for Feral Cats in Winter, All-Round EPS Insulation Foam-Core Cat Shelter with 2 Escape Doors, Weatherproof Openable Roof, Elevated Removable Base for Outdoor & Indoor Aazon.co : All-Round Foa Outdoor Cat House, Weatherproof... Easy assembly: With all necessary parts included, the cat enclosure can be easily assembled with pre-drilled holes. Off-Ground Design: The off-ground design of the elevated heated outdoor cat house makes it moisture-proof, so cats can have a dry and comfortable environment in the cat house Just 30 minutes, assembly is complete Feral Cat House For Winter Weatherproof Outdoor Cat House, Feral Cat Shelter, 100% Insulated Foam, Solid Wood, Large Size For Multiple Cats, 34.5 L X 21.5 W X Diy Feral Cat Winter Shelter