3-fold mat Moisture absorption, moisture control, antibacterial and deodorizing, 6 sizes, made in Japan "Do you have any of these concerns?" I'm worried about the humidity under my futon I don't want to put the futon directly on the floor. I want to lay a wooden slatted floor, but it's heavy and difficult to install. If I only use a mattress, my body hurts when I wake up. The worries, The solution is the "three-fold mat"! This product is made of natural tatami mats. Not only does it absorb the uncomfortable stuffiness, The scent of tatami will soothe your sleep every day, You can stay comfortable all year round.