Whether you need volume, shape or bouncy curls, these professional salon rollers will help you set your style. They also give you faster styling thanks to the insulated stainless steel wire inside that helps them retain heat. Swiss hair rollers 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. Featuring insulted stainless steel wire for retaining heat. Adds long-long lasting volume and shape to hair. This comes in 20 mm size and yellow colour.