HEAT-FREE and DOES NOT DAMAGE YOUR HAIR - This heatless curling iron does not require electricity or heat to use, you can easily create your hairstyle without damaging your hair. UPGRADED OCTOPUS DESIGN - Our heatless sleep curling iron is designed with an octopus shape, with a total of eight arms, which can meet the daily needs of curling hair. Fast styling, simple and convenient to use. EASY TO USE - Put the heatless curling iron headband on your head, separate a small section of slightly longer hair with a fine-toothed comb, wrap it around the spring and fix it with a rubber band without heating. You will have beautiful curly hair the next morning and you will not feel uncomfortable when you sleep. CONVENIENT TO CARRY - The heatless curling iron headband is convenient to use at home or to take with you when traveling. Suitable for dry or wet hair. You just need to use it before going to bed, wake up the next day, take it off and you will have the perfect curly hair, saving you a lot of time.