Coghlan's Candles provide long-lasting light and heat when you need it. Made of paraffin wax and a cotton wick, these clean-burning candles burn for 4-5 hours. Smokeless and dripless, these multi-purpose candles are a great addition to any emergency kit or to provide light while camping or backpacking. Each candle is 5 in. (12.7 cm) tall and 0.75 in. (1.9 cm) in diameter.