quite good, Baining counter in the mattress for different people, I bought several last year, sleep very comfortable, he designed according to the human body's seven zones, the weight of each part of our body is not the same, each mattress are catering to the human body curves well-designed for the head, shoulders, back, waist, hips, legs, feet, seven different parts, so the bearing force is very good, and contains latex, bamboo charcoal fibers and other high-quality Sleep inner material, can make people enter a deep sleep, relieve pressure, overall good, I hope to help you