Comfort Wool Single Bed Electric Blanket (Multicolour) These blankets are used for heating the bed during cold winter nights to ensure good sleep. They are placed under the bed,from where they generate heat.they are made of superior-quality wool.available in other colours too. Note: To check genuinity, please check for Comfort Instruction card and Comfort branded Non Woven Bag. In case its not there, it is a fake product by some other seller