Hairdo™ Clip-in Synthetic Hair Extensions from Jessica Simpson and Ken Paves are an affordable and easy way to add  length, volume and/or color to your own hair. Made from Kanekalon Vibralite modacrylic fiber, the finest quality synthetic fiber available, these clip-in extensions are available in a variety of styles: long and mid-lengths in straight or softly waved textures. Transform short hair to luxurious below-the-shoulder length hair, or transform long hair into a to-the-shoulder bob. Long hair becomes thick and full. Hairdo Clip-In Hair Extensions by Jessica Simpson and Ken Paves consist of one multi-level, contoured piece that creates an easy, fashionable style without the hassle of working with several individual wefts. These extensions are virtually undetectable and can be put in and taken out in minutes.