?Safe Quality Material?Safety Outside are top grade PU material, inside are waterproof pvc soft material with flexible tensile capabilities even in various sleeping position. ?Far-infrared Fitness?Far Infrared rays has the deep penetrating ability ability to penetrate, refract, radiate and reflect.FIR Can be absorbed.FIR transforms from light energy into heat energy. The thermal effect within the deep layers of the tissues causes blood vessels and capillaries to dilate, promoting better blood circulation, and the heat helps get rid of body toxins and metabolic. ?Intelligent Heat?The sauna blanket uses intelligent control technology to maintain an even distribution of heat throughout the blanket and to warm the blanket from cold in a very short time. The sauna blanket has been carefully designed and manufactured to be completely safe for domestic use. ?3 Heating Zone?The body are separate from three part. (Above body, lower body and waist) This product are make these three parts of body to loss weight sperate.It can set up time and temperature. ?Worry-free Shopping?Our products are sent from the US and can be delivered quickly. If you have any questions about our products, please feel free to contact us. We will provide you with a satisfactory answer within 24 hours.