The perfect sauna barrel, the sauna 400 is an extended version of our popular sauna barrels to allow for more guests. With an extra room ideal for waiting guests or to be used as a changing room, the 400 sauna is an ideal Sauna for larger parties or camp sites, comfortably fitting 8-10 people. Sauna cabins aren’t anything new, but many people are just beginning to realise their benefits. When you sit in a sauna, the heat can relax the body, free the mind, and improve blood circulation. Many people find that it relieves aches and pains, reduces inflammation, and calms a stressed or anxious mind.