This 100% soy candles has a dual wooden timberflame wick that crackles beautifully when burning. Up to 80 hours of burn time Why choose a 100% Soy Candle ? Soy wax is made from soy beans, which are a renewable resource. Soy wax is biodegradable and just plain environmentally-friendly! Burns longer and cooler than paraffin wax candles. We usually find that you will get 1 hour for every oz of wax. Soy Wax is water soluble and is easy to cleanup in the event of an accidental spill Longer Lasting - soy wax burns at a cooler temperature; which means your soy wax candle will burn longer Clean Burning - Soy Wax produces no petrol-carbon soot and is less likely to trigger allergies Wicks - We use Natural Cotton Wicks. No metals; such as zinc are used in our wicks. We also have started using wood wicks that are once again, All Natural with a metal sustainer to hold up the wick throughout the burn. Burning Instructions BURNING A COTTON WICK CANDLE. For your cotton wick purchases remember to only burn candles one (1) hour for every inch of it's diameter, keep the wick trimmed to 1/4" and keep the candle away from of drafts. It is very important that wick trimmings are not left in the candle wax. This will definitely cause black soot. Don't forget to re-use this glass for your favourite drink. Simply wash with warm soapy water.