I dont know what the diameter on this is but it gives you an idea of the seats are like inside the barrel without arched seatbacks.
Wood fire heated barrel sauna for off-grid self indulgence
Pebble floor in log sauna
What better way to begin the new year than get inspired by some futuristic interior designs. See more at http://glamshelf.com
Family – Emma | high hopes gardens
Beautiful Finnish Saunas and Sauna Culture
Untreated sauna benches and panel walls can be blackened using the Supi Sauna Wax by Tikkurila. This water-soluble solution with natural wax is colourless but it can be tinted black.