This canning manner distributes heat evenly and saves you from continuously replenishing candles Keep food warmer and spacesaving and efficient This food warmer has a heat spreading aluminum holding grill that conveniently uses a tealight candle to operate The lowtemperature heat is contained under the detachable aluminum grill and transferred to the bowl of food through the holes of the folder The Single Furnace Food Warmer has a flameout snuffer so you dont get your fingers burned