The CONAIR Copper Collection Quick Blow-Dry Curling Round Brush features a metal barrel that offers up to 50% more efficient heat transfer compared to plastic vented brushes. Its vents allow airflow from your blow-dryer to penetrate hair quickly, speeding up drying and styling. This versatile tool lets you smooth and straighten or curl and wave with professional-quality results, enhanced by a 10% copper coating for superior performance. Achieve beautiful, salon-ready hair faster and easier.