UCO 9+ Hour Candles for Candle Lanterns (3.5 Inch) - 21 count Includes 21 candles. Burn time 9+ hours per candle. Special wick provides ideal flame. High-melt temperature minimizes dripping. Unique wax formula optimized for use with UCO Candle Lanterns. Produces heat to warm tent and reduce condensation. Economical source of light.