Curls don't damage hair: Traditional heat styling methods can damage hair over time, but these heat free rollers offer a healthier alternative that promotes stronger, healthier hair. Suitable for all hair types: These heat free rollers are suitable for all hair types and textures, perfect for setting natural curls or adding volume to fine, fine or straight hair. Day and night wear: The flexible design of these Flexi poles eliminates the use and ease of wearing a needle or clip, whether you sleep or wear them all day. Crafted: Made from 100% faux satin, this curler is not only gentle and comfortable, but also ethical and crueltic-free. Heat Free curls: These curling irons let you style your hair with just air drying, making it a gentle, heat free styling option.