The Grandby 300D infrared sauna features a sealed weatherproof cabin and shingled roof for outdoor use. The Grandby is constructed of durable Canadian hemlock and comfortably seats 3 people. Eight ceramic heaters will quickly get the sauna to your desired temperature up to 140 degrees. The Grandby outdoor sauna is a perfect size for the back yard. Includes wide bench seating for maximum comfort, oxygen ionization system for purifying the air, recessed interior lighting, Bluetooth, cup holders, and more. The Grandby is easy to assemble and the natural Canadian hemlock wood will enhance any outdoor patio setting.