Innovative hourglass shaped barrel for extra root-lift, volume, curls and waves. Get close to the root of the hair for maximum volume. Distributes heat evenly throughout the barrel preventing 'hot spots'. Ceramic-coated aluminium vented barrel allowing longer-lasting results from blow-drying. PRODUCT LENGTH (cm): 26. PRODUCT DIAMETER (cm): 3. DIAMETER WITH BRISTLE (cm): 4.