The Pure Cube Neptune Sauna model brings the outdoors inside with its large glass front wall. Surround yourself with nature in this spacious interior with fully insulated floor, walls and roof this modular sauna kit is easy to assemble in any location. The black metal siding on the outside, EPDM on the roof and knotty western red cedar interior makes this a characteristic and modern outdoor sauna to complement the Pure Cube Collection by Leisurecraft.