The 36 Hour Survival Candle comes in a metal can somewhat larger than a big can of shoe polish. Included with the candle is a book of paper matches. You will get a 36 hour burn out of it only if you burn one wick at a time. With all three wicks burning at the same time the candle burns about 12 hours. If you burn one wick at a time, rotate the burning of the wicks every three hours to burn the wax down evenly. With one wick burning, these candles will give about as much light as a regular candle. As the wax is consumed, the sides of the can will start interfering with the light moving away from the candle in a horizontal or sideways direction. But as the sides of the can aren't that high this problem is minimal. These candles would be good if you were on the move as the can protects it from breaking, unlike a regular candle.