Igusa Unit Tatami MatExperience the Tatami Mat, rooted deeply in Japanese culture and history as a home essential for hardwood floors. This Tatami is woven with undyed Igusa (rush grass), resulting in a thick cushioned feel, allowing for multi functional use, like sleeping and playing over on the floor, a floor cushion for sitting while working or lounging with loved ones. Tatami mats are also known for its insulation: relieving heat and humidity in the summer and cold