Flex your curls and create waves. curls. and everything in between with Le Duo Flex. This innovative. patent-pending curler lets you effortlessly create both loose waves and tight curls at the simple flip of a switch. As the first and only 360° airflow multi-styler with curved titanium plates. it was designed to gently contour to your hair for seamless styling—perfect for both beginners and styling experts. Style-locking cooling vents set your look in place. while the enhanced ion generator boosts shine and tames frizz for a flawless. long-lasting finish. Le Duo Flex comes in one size that works for all hair lengths–the only size you'll need to perfect your look.