Eliminate the frizz factor in your hair. The round Monster Vent Tourmaline Salon Brush features reinforced bristles and is fully vented to maximize air flow. Tourmaline Core promotes healthy, shiny hair while minimizing static electricity. Designed by the brush experts at Phillips Brush. Brush measures 10 inches from tip of brush to bottom of handle. The brush end has a 3 inch diameter (not counting bristles) and a 5 inch diameter when taking into account the bristles as well!