Spornette Prego, America's most popular ceramic aerated rounder brush. The Prego's ceramic aerated barrel heats up rapidly to assist in creating flips and bangs. The Prego' brushes are reinforced with Tourmaline additives to promote breaking down of water molecules for hair absorption. The Nano-Siver Technology added to the bristles help keep hair clean and smelling good. Spornette Prego #279 is a 4" diameter for the longest hair lengths.