100% Human Hair Long Hair Training Mannequin Head 4318B (Brooke Length: 16" Color: Brown Rubber Head Ideal For: Training and Educational purposes, Cutting, Heat styling, Up-Do's, and Color deposit techniques Maintenance - Avoid any direct heat when mannequin is being processed with oxidative color or lightener. Do not apply oxidative color or lightener directly to the synthetic scalp, chemicals cause the hair to loosen from the implantation holes making the hair to fall out of the mannequin head. Clean, Dry, Style, and Store with care. For a longer lasting mannequin we recommend to avoid lightening the hair longer than 30 minutes and with a peroxide higher than 30 volume. Avoid heat higher than 300­°F