◆ Material: The sauna blanket is made of a safe and soft material with flexible stretching ability even in various sleeping positions. The outside is top quality PU material and the inside is waterproof PVC. ◆ Safety design: Added abnormal temperature protection of 85 degrees. When heating reaches 85 degrees, it will automatically disconnect the line, stop heating and alarm for 1 minute. Adding abnormal protection for the heating wire makes it safer to use. ◆ Body shape: The sauna blanket is designed to burn fat, accelerate metabolism, promote blood circulation throughout the body, reduce excess body fat, effectively excrete waste, slim down and relieve body fatigue. ◆ Infrared heating: The sauna blanket is heated by releasing 9~14μm. Added 85 degree temperature anomaly protection function, far infrared filament heating, heat sensitive and safe to use. Two zone output, temperature independently controlled.