100% Real Remy human hair. We recommend getting them colored by a professional and experienced hair colorist. A small piece to be tested prior to coloring the full set to make sure the resulting shade is what you anticipate. Comfortable & Secure to Wear. Clips are sewed stably, covered with a layer of soft rubber to carefully protect your scalp and hair, you can easily apply and remove the clip-on hair extensions by yourself to change hairstyles for different occasions. (Wedding, Concerts, Make-up Parties, Dating, Prom, and so on).