These 10 inch long black taper candles have straight sides because they are made by pouring wax in a mold, not dipping a wick in liquid wax. This classic style taper is unscented and a solid color the all the way through. The base of the taper will fit into a standard size candle holder. Colonial Candle manufactures these here in the U.S.A. They are made using paraffin wax and a cotton wick. Image is to show color only, each taper candle is sold individually.