Wood Smoke The genuine scents of cedar and glowing embers create the nostalgic comfort of a crackling fire. This is our top quality genuine WoodWick Medium Jar Candle - Famous for it's soothing sound of a crackling log fire when burning, these luxuriously scented candles and will burn for approximately 60-100 hours. Made of a high quality soy wax blend which produces a slow, clean burn and available in a wide variety of fragrances. The candle top also doubles as a heat resistant mat.