Hi, I have a Huge Bundle of Clip in extensions. They are all Human Hair Blend. You can heat, style, curl, and wash them. The majority of the lengths are 22-24 inches. All Brand new, some are 1 pc, 4 pieces, 7 pieces, or 8 pieces. 100% high quality human hair blend, Human Hair/Heat Resistant Synthetic hair which looks like real human hair. You can heat, style, straighten, flat iron, curl, and wash.