Each Hollow Paraffin Candle is made with unbleached cotton muslin and high quality paraffin wax so that you get a slow, clean burning candling experience. Plus, you dont have to worry about burning nasty chemicals like bleach because we only use all natural ingredients in our hollow candles. Each 2 pack box of Paraffin Multi-Purpose Hollow Candles is made from certified sustainable boxes and comes with 2 individual hollow candles and printed lighting instructions on the inside of the box.