... , Overheat protection, Security high 4, Washable 5, OEM Polar Fleece double heating blanket1, Name: Setting Temperature Twin Electric Blanket2, ... high quality polyester, Green material AZO free. 220gsm polar fleece cover, keep warm and comfy all through the night 5, Heating Material: ... from the original PVC. The wire is soft, high working temperature and long life-span. C, Advanced overheat protection ...