The patented mattress make by TPU material to create unique air cells and air pipline system. By pumping the fresh air through the TCH far infrared physical therapy function of heating element to create the fresh warm or cool air on the surface of mattress. It helps to relax your articulation and bone cavity and reduce the pressure to your capillary tubes, provide the rich oxygen air to fresh the skin cells. It has noticeable healing effect for paralytic, for after treatments, for patients with bone trauma or burn, and for people who suffer from chronic insomnia. Airkang Air-Flow Health Mattress is your best choice for a better health and life, and an ideal gift for your beloved person.