The 20″ Styleable Soft Waves by hairdo is a one piece clip in hair extensions system made with styleable heat-friendly synthetic hair. The length from top to bottom measures approx. 20 inches and will give you approx. 10 inches of length from the nape. This do-it-yourself extension system lets you create beautiful medium length waves at home without the hassle of individual wefts or a costly salon visit. Created by celebrity stylist Ken Paves and tested on Jessica Simpson herself, get gorgeous hair in an instant! For more details, watch video for an in-depth look at this style.