D'light Online 17 Hour HD17 Disposable Liquid Votive Fuel Cell Oil Clear Plastic Candle (Set of 48) Intended for use in the commercial use and foodservice industry only Cleaner burn and longer lasting than wax candles; No wax mess to clean up clean simple operation 17 Hour burn time 48 disposable fuel cell per case cost just pennies per hour to burn. Container made of clear plastic which eliminates thermal shock breakage commonly associated ; on-flammable liquid fuel Proudly made in the USA