Olivia Garden Multibrush Detachable Thermal Styling Hair Brush 5 Piece Kit helps you attain ease of styling and maintain hair healthy and full of shine. This 5 piece set brings one Multibrush Handle and 4 Detachable Brush Barrels, each barrel is 2 1/2" (66 mm). Ceramic barrels create even heat distribution, non slip handle makes it easy to use, Ion charged bristles maintain hair shiny and healthy.