In order to burn fire need oxygen, heat and fuel. A fire blanket is specifically used to surround a burning object or placed over it. With this action, the fire blanket blocks oxygen supply so that you will be able to control the fire.
Fire blankets are a must to have at home since fire extinguishers cannot be used on a burning pan containing fat. Fire blankets are the safest fire control method to have in kitchens because it can safely be used to control a pan-fire or to wrap around a person whose clothing caught fire.