According to wikipedia, "beeswax has negative ionization, which binds particulate matter to clear the air. The beeswax candles are a non-paraffin all-natural product, golden in color, which produces a pleasant aroma. 3-pack weighs 6.0 ounces. Regular and citronella candles also available.the color of the flame may vary depending on the season in which the wax was harvested. Burns cleanly (without residue or dripping) for 12 to 15 hours. Custom size, shape, and formulation designed for use with UCO Candle Lanterns.