18 Inch Human Clip In Hair Extensions will give you a good-looking and stand-out look, certain to catch eyes and draw notice around every corner. This 18” clip in extensions is not very long or short, however it is more sophisticated, it can give you an image and confidence boost quickly. Our clip in extensions here are made out of quality human hair, so it is easy to take care of, just as your natural hair. And we also offer discounts by buying hair extensions.