ASL Solutions Deluxe Insulated Dog Palace with Floor Heater Real foam (Styro/EPS) insulation in each and every panel Easy pass-through, self-closing, well-fitted insulated door (not a "flap") Self-storing window panes easily reposition from closed to open without tools Floor is sloped and has a drain hole to make cleaning a breeze Heater cord portal has a rear exit to keep dogs and owners from tripping over the electrical cord