● 3 zones spinal-protecting system conforms to the comfort demand . According to the human body mechanics,head part creates 10% of body force at sleeping posture,back-hip with 75%.and legs with 15%. ● With 2cm graphene foam in comfort layer supply stability, conductivity, thermal conductivity  to ensure you are comfortable all night long● Tufting type makes the look luxury,and adds its value.● Oeko-tex certificated high quality fabric offers soft and breathable feeling suits every seasons.