Sky Fly Fire Lanterns SL20WHITE White Sky Lanterns-Chinese Flying Wish Lights, Set of 20 10 pieces of the items in one set will be sold together Color: White Fuel: Special candle designed with ovalshaped appearance Flying altitude: About 500 800 meters and burring time: About 10 to 12 minutes Write down your wishes on the lamp, and release on a clear, windless night for best results