Now any woman can easily and affordably change her length and/or add volume to her own hair with hairdo™ clip-in hair extensions from Jessica Simpson and Ken Paves. Use the 25" Layered Straight clip-in Extension Kit to transform short or mid-length hair to luxurious below-the-shoulder length hair. If you already have long hair, use this piece to enhance volume or texture. This HairDo Extension kit is made from 100% Kanekalon Vibralite modacrylic fiber, the finest quality synthetic fiber available. Affordable, lightweight and easy to attach, these virtually undetectable extensions can be put in and taken out in a matter of minutes.