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): 25. product diameter (cm): 4.3. diameter with bristle (cm): 6.