CoolcurlTM Pillow Rollers are the ultimate heat-free solution for effortless, stunning curls and waves. The innovative rollers, made from elasticated memory foam and the unique GLOV® technical fabric, create expressive curls without any heat damage. Simply separate your hair into sections, wrap these sections around the rollers and secure with the ribbon. Each set contains 4 rollers, perfect for all hair lengths and thicknesses. More than 4 rollers can be used for thick or long hair. They transform hair in minutes and are an essential tool for easy, heat-free styling.