With the Remington H5600 Ionic Rollers you make both small curls of 20 millimeters and larger curls of 27 millimeters. In the curl set you will find 20 rollers with 3 different diameters. So you vary every day in the way you wear your hair. With the clips provided, you ensure that the rollers stay on the hair root and thus create curls in the hair. The rollers have a core that holds the heat. This way you fix your hair to perfection and the curls remain sitting all day long. The ionic coating prevents your hair from fluffing and keeps it frizzy, soft and shiny.