Y.S. Park 451 Wooden Styling BrushFeatures include: Great for straightening hair! The different colored rows of bristles is a great guide for beginning stylists and for educators, especially when learning (or teaching) different styling techniques that require the use of specific portions of a brush. The rubber portion (where the bristles are implanted) is the same material as a baby pacifier, which has superb resistance against heat and moisture. It also creates firm natural tension