Kera-Link is Donna Bella’s natural fusion method. Donna Bella’s Kera-Link Hair Extensions are bonded to the hair using a strand by strand method. This allows for 360 degrees of natural hair movement for its wearers. This method of installation is perfect for all hairdos, whether you choose to wear your hair up or down.Made with 100% Remy human hair. Tape In Hair Extensions, Fusion Hair Extensions, Fusion Hair, Hair Up Or Down, Natural Hair Movement, Hair Shades, Straight Hairstyles, Wigs, Beaded Hair Extensions