Sleek, stylish and reliable, Flex 360° is your ideal 4-wheel spinner. Providing optimal maneuverability, it features 360° double spinner wheels to withstand the stress of sprinting across the airport to catch your flight. ​ Flex 360° Spinner is made of a durable and lightweight polycarbonate hard shell, has a built-in TSA approved lock, and folds flat to 6′′ thick, so you can store it anywhere — even when space is tight. Say hello to effortless, 360° gliding!