26" 7 Piece Clip Ins - StraightBlack Diamond 7 Piece Clip Ins are one of our best selling clip ins. They're easy to apply and maintain. Transform your look in an instant with professional grade clip in hair extensions to customize your look. And because we only use 100% Remi Human Hair, you can easily color match your existing hair color and heat style your hair to match varying looks. Use all 7 pieces or individual pieces to create the volume you want.