10Pack 15H+ Emergency Candles Long Burning Survival [20H+ Inside Candle Lanterns], 3“ Unscented White Pillar Candle, Survival Candles for Power Outage, Camping, HurricaneEXCLUSIVEImproved Anti spill wax flat head groove design greatly improves combustion efficiency. NEATSpecial proportions, natural and harmless raw materials, unit burning time increased by more than 20%. LONG LONGSuitable for candle lanterns, the burning time of candles can be increased to about 20 hours. * 15 hours outside the lantern tested indoors. EMERGENCIESSuitable for indoor and outdoor emergency reserves, such as power outages, camping,