Tourmaline ceramic thermal vent brush; Tourmaline bristles and ceramic barrel with wide vents; 8 rows of nylon bristles; Rubberized, ergonomic black handles; Lightweight, balanced construction; Vents circulate heat for more efficient drying; The nylon bristles maintain good tension to control even the thickest, most unruly hair; Ultra comfortable, rubberized grip handle provides total control, a strong grip, and ultimate comfort while styling