This four person barrel sauna is made from thermally modified spruce to last longer than your average barrel sauna.  The ergonomic benches are by far the most comfortable sauna benches I've ever been in and the entire barrel sauna has a luxury feel that just isn't matched by any other barrel saunas on the market, especially for the cost.    Included With Purchase:  SaunaLife Model E7 Barrel Sauna Full-length Thermo-Spruce staves (1.65” thick) Benches of Thermo-Aspen (1.1” bench tops, no knots) Backrest of Thermo-Aspen (1.1” rests, no knots) Tempered bronze glass door Stainless steel barrel...