Mattress, semi-double, super comfortable sleep, antibacterial, deodorizing, anti-dust mite, pressure dispersion urethane, hotel premium, pocket coil, hardness: soft Conditions for a mattress that will give you a good night's sleep 1. Falling asleep easily 2. Ease of turning over in bed (people turn over unconsciously 20 to 30 times while sleeping) 3. Comfortable sleeping (eliminates unnecessary tossing and turning due to discomfort) In pursuit of these goals, we designed the urethane and coils from scratch. The "Good Sleep Mattress" is created by layering the mattresses in a well-balanced way.