Audi A6 Avant.
Soapstone is a perfect material for bathrooms and saunas, since it restores the heat. Especially if one has heating elements on on the floor. Soapstone is not slippery when wet.
Integrated Nuoska sauna heater is made of ceramic.
This fabric is Vallila Kelohonka in blue.
K Chair by Harri Koskinen