Our TWS MONSTER DEER BLINDS® are built with pre-painted metal coils using premium SMP coil coating system. They have 7 ft. wall height with 1.5 in. insulation in the walls, floors, and ceiling, carpeted floors, 30" x 72" metal insulated door with RV latch, 26-gauge exterior and interior metal, flip windows, and a porch the length of the blind with handrails.