D'light Online Liquid Wax Disposable Clear Plastic Fuel Cells (HD50-36) Made for commercial use only Pack of 36 fuel cells that eliminates thermal shock breakage commonly associated with use of solid wax 50 hours of clean candlelight without candle mess It also provides a longer lasting alternative to standard wax candles Disposable fuel cell specifically designed to meet the demanding needs of the food service tabletop require little maintenance Made in the USA