EasiPart HD 12" by Jon Renau Heat Synthetic Top Piece is a clip in topper that gives you extra volume and length to your parting. EasiPart HD 12" features a monofilament base for a natural looking parting. Easipart attaches with 4 clips to your existing hair and is made in a heat synthetic fiber which can be styled with heat tools up to 180 degrees. *HD fiber colours will vary in colour compared to the exact same colour in a standard synthetic fiber by Jon Renau.