Product Description Hi Lift Swiss Rollers 25mm Green 6pc feature insulated stainless steel wire to retain heat for superior results. These easy to use rollers secure in place with rollers pins and add beautiful volume and shape to hair. The insulated stainless steel wire makes these rollers ideal for setting hair, creating long-lasting body and bounce. Benefits: Featuring insulted stainless steel wire for retaining heat Adds long-long lasting volume and shape to hair How to Use: Simply roll into a section of dry hair, secure in place with roller pins, heat with a hairdryer, let them cool, then remove.