This specially designed brush dries hair faster and supports the growth of shiny, bouncy, healthy hair. It features a magnesium-infused, aerated barrel that heats up rapidly when used with your hair dryer so you can dry and style your hair faster. Natural boar bristles hold your hair for superior styling. Molded handle prevents hair from getting snagged at the neck and provides a secure ergonomic grip. Withstands heat up to 400ºF. 3" barrel (10½"L x 3"Dia.).