Ergonomic S Shape Design: Follows the natural alignment of your spine with a gentle outline, providing optimal for neck, back and waist areas during relaxation to minimize discomfort from prolonged sitting while enhancing overall comfort. Stable slip Base: Features four rubberized pads that maintain consistent placement on various floor surfaces, unwanted movement in heated environments while protecting both the unit and flooring from marks or displacement. Premium Wooden Build: Constructed from carefully chosen wood with excellent heat resistance and sturdiness, maintaining structural integrity in humid conditions while showcasing beautiful natural patterns. Temperature Moderating Property: Utilizes wood with low thermal conductivity to stay comfortably warm without becoming excessively hot, ensuring a pleasant resting even in good temperature settings. Package includes: Wooden sauna backrestx1