Polyester Comfortable Warmth: Experience quick, consistent, safe warmth powered by PTC/NTC heating wire technology. This heated blanket comes with 6 heating levels and 4 time-settings for personalized coziness. Safe: The blanket is ETL certified, and its default 3-hour auto shut-off prevents the blanket from overheating and potential risks, so you can relax and enjoy its warmth with complete peace of mind. Convenient: The wired controller lets you easily and conveniently set your heated blanket to your desired temperature and timer. Perfect Gift: The velvety 220 GSM flannel top and the 200 GSM premium sherpa provide a soft and warm experience, making the blanket the perfect gift option for special occasions. Versatile: Get the much-needed supplementary warmth with this Bedsure heated blanket at home, office, in cubicles, or just use it as a regular blanket.