CANDLEWIC NATURAL WICKS FOR CANDLE MAKING - 100 FOOT SPOOLS (LG.NATURALWICK-100 ft (ECO-12)) ECO Candle wick is a flat cotton wick braided with thin paper threads that gives the wick rigidity when burning without the need for a core. ECO Wicks can help reduce smoking and sooting if your candles wick is sized properly and your waxes, fragrances and color play nice together. Excessive smoking of your candle can be avoided with the proper wick selection. Excellent choice for soy waxes. Reduced afterglow, afterglow is the continued slight burning of the candle after its put out. An excellent wick for Soy, Palm and Beeswax pillar candles.