Square-shaped barrels for optimum straightening and volumising performance. Flexible crimped nylon bristles helps to grip the hair and be more gentle on the scalp with a soft-touch handle for added comfort and grip. Distributes heat evenly throughout the barrel preventing 'hot spots'. Ceramic-coated aluminium vented barrel allowing longer-lasting results from blow-drying. PRODUCT LENGTH (cm): 24.5. PRODUCT DIAMETER (cm): 3.3. DIAMETER WITH BRISTLE (cm): 4.5.