Breathable Bonnell coil mattress that provides firm support for your lower back - Double Do you have any of these concerns? □I'm worried about my child's sweat when they wake up in the morning. □I'm bothered by the dampness inside my futon. □The mattress sinks in too much and I can't fall asleep. It was created to solve such problems. Pursuing the conditions for a mattress that will provide a good night's sleep, we designed the urethane and coils from scratch and layered them in a balanced way to create our "Highly Breathable Mattress." What are the three conditions for a good night's sleep on a mattress? 1. Falling asleep easily *You can feel comfortable with the firmness and posture you prefer. 2.Easy to turn over * Elasticity that allows you to turn over naturally without stress. 3. Comfortable to sleep on *Eliminate uncomfortable heat and stuffiness, and maintain a comfortable temperature and humidity.