... , 3D mesh fabric, magnetic stones. 2. Soft, breathable, therapy. 3. using in car, office, home, outdoors. It uses 2 layers of 3D ... space mesh fabric and embedded magnetic stones, 35 3D-fibres in 1cm2 perfectly supports the body and helps to circulate air ... embedded between 2 layers, which can improve blood circulation.Best using in car, office, home and outdoors.