Our fantastic Squargonomics range feature a unique square barrel that provides styling 'edges' for added volume and improved straightening performance. With crimped bristle, these brushes are gentler on the scalp for added comfort and provide enhanced grip and control for improved styling performance. Finished off with a Velvet touch handle for added comfort and balance during use. 25mm Silver square barrel with crimped bristle brush. The square barrel provides styling 'edges' for added volume and improved straightening performance. Crimped bristles are gentler on the scalp for added comfort. As the barrel size increases, the more volume is added, and so this size is ideal for short to mid-length hair.