concept. a styling brush for quick, easy blow-drying. vent holes in the barrel allow heat from the blow-dryer to circulate at the roots, creating more volume. featuresbenefits.ceramic-coated, vented, metal barrel. high heat-resistant, ionic nylon bristles. handle pik for easy sectioning. wood from well-managed forests. 43mm recommended for use to produce a full-bodied blow-dry on any hair type except fine, delicate hair.