Because these hand-rolled beeswax candles are all natural, they do not produce toxic byproducts and heavy soot when burned. Also, since these beeswax candles produce no byproducts, they are naturally dripless when used properly and are thus safer to burn. ~ Fit in standard size candle holder ~ 8" long ~ Non-toxic and burn very clean ~ 4-5 hour burn time Note: You must trim taper wicks to 3/8" before lighting.