"These award winning candles are made using only vegetable wax and pure essential oils rather than synthetic fragrances so they burn without releasing harmful pollutants, toxins or soot. Remember, they work as powerful holistic treatments as you breathe in the scented air so it best to burn them for 4 hours at a time. Each candle weighs 1KG, has 3 wicks and burns for up to 55 hours (30% longer than standard premium candles)."