Standard size. Used only once. Just did not work for my hair. Le Duo lets you achieve it all. The lightweight, ergonomic styler features an easy-to-use clip and is studded with tiny air vents to instantly cool and lock in your curls. Create and set a variety of long-lasting looks with just one tool! Designed for all hair types and lengths, our original Le Duo may be preferred by those with shoulder length hair or shorter and Le Duo Grande by those with hair that falls below the shoulders.