The ISO clip less 5pc twister sets is a revolutionary styling tool, with multi-sized interchangeable barrels that create tight ringlets, beautiful curls and glamorous waves with minimum effort and amazing results. Tourmaline infused ceramic barrels emits far infrared technology to lock in moisture. Negative ion technology eliminates static resulting in hair that is soft, silky and shiny. These curls will last you for days without hair spray or any holding products and with your complimentary heat resistant Glove you will protect your fingertips from burning while you style. This twister set is the ultimate set that has a durable, lightweight construction and you only need to simply wrap the hair around the rod barrel for smooth, sultry curls.