New Age Pet All-Weather Insulated Dog Bunk House, White/Blue, Large, For Pets up to 120 Pounds Insulated dog house keeps pets warm in winter and cool in summer Insulated and ventilated for year-round comfort; drainage holes for easy cleaning Impact-resistant, weather-proof plastic panels stand up to years of use Honeycombed fiberboard and Styrofoam insulation for plenty of warmth Internal dimensions: 32 by 30 by 31 inches (l x w x h); door opening: 14 by 18 inches